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Releasable for Internet Transmission
28 October 2009                                                                                DOCUMENT
                                                                                      PFP(NAAG)D(2009)0027
                              NATO ARMY ARMAMENTS GROUP (NAAG)
                            Ratification Draft 1 - STANAG 4694 (Edition 1)
                                             NATO ACCESSORY RAIL
            Memorandum by the Deputy Assistant Secretary General for Armaments
                               (RATIFICATION REQUEST)
Reference: PFP(NAAG-LCG/1)DS(2009)0001, dated 24 June 2009
1.   AC/225 Land Capability Group 1 on Dismounted Soldier has approved the draft
STANAG 4694 and requests ratification.
2.       The agreed text is herewith forwarded to delegations to obtain national ratification
by 30 April 2010. Using the attached form, Nations are requested to inform my staff of
their national ratification references, together with the actual or forecast date by which
national implementation is intended to be effective, by service in the table at paragraph 1b.
of that form.
3.      Most national Ministries of Defence contain a standardization office or
standardization liaison officer who can give advice on the procedure to be adopted to
obtain a formal ratification reference. It is recommended that contact be made with that
office.
4.     As soon as sufficient ratifications have been received, this STANAG will be
forwarded for promulgation.
                                                            (Signed) Richard FROH
Annex 1:   Ratification response form
1 Annex                                                                                Action Officer: M. DOVE, X3659
                                                                                                       Original: English
                   G:\Docum\AC225\Ac225\Documents\PFP\2009\PFP(NAAG)D(2009)0027 RATIF DRAFT 1 ST 4694 ED1 ENG.doc
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                                                                                             ANNEX 1
                                                                                 PFP(NAAG)D(2009)0027
            NATIONAL REPLY ON THE RATIFICATION AND IMPLEMENTATION OF A STANAG
(Date)                                                                                 (National Reference)
To:               Assistant Secretary General for Defence Investment
                  NATO/OTAN
Subject:          STANAG 4694 (Edition 1) – Ratification Draft 1 – NATO ACCESSORY RAIL
Reference:        PFP(NAAG)D(2009)0027, dated 28 October 2009
1.         The following information is submitted concerning the subject STANAG.
           a.     RATIFICATION INFORMATION
      Ratifying           Ratifying            Ratifying, but not      Not ratifying     Not participating
                       w/reservations           implementing
           Ratification Reference:
           b.     PRELIMINARY INFORMATION ON IMPLEMENTATION
                                     Intended date of implementation
                          Navy/                     Army/                  Air
                           Mer                      Terre
2.         RESERVATIONS:
3.         COMMENTS:
4.         One paper copy is/is not required
                                                                                          (Signature block)
Enclosure(s):
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                                                           ENCLOSURE 1
                                                    PFP(NAAG)D(2009)0027
                                                              STANAG 4694
                                                                   (Edition 1)
                                                        (Ratification Draft 1)
           NORTH ATLANTIC TREATY ORGANISATION
                         (NATO)
               NATO STANDARDISATION AGENCY
                          (NSA)
             STANDARDISATION AGREEMENT
                            (STANAG)
SUBJECT:   DRAFT STANAG 4694 – NATO ACCESSORY RAIL
                                   Promulgated on
                                   Juan A. MORENO
                                   Vice Admiral, ESP(N)
                                   Director, NATO Standardization Agency
                      NATO/PFP UNCLASSIFIED
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                                                                          STANAG 4694
                                                                               (Edition 1)
                                                                    (Ratification Draft 1)
                                  RECORD OF AMENDMENTS
               NO     Reference/date         of   Date entered     Signature
                      amendment
                                       EXPLANATORY NOTES
AGREEMENT
1.     This NATO Standardization Agreement (STANAG) is promulgated by the Director
NATO Standardization Agency under the authority vested in him by the NATO
Standardization Organisation Charter.
2.      No departure may be made from the agreement without informing the tasking
authority in the form of a reservation. Nations may propose changes at any time to the
tasking authority where they will be processed in the same manner as the original
agreement.
3.       Ratifying nations have agreed that national orders, manuals and instructions
implementing this STANAG will include a reference to the STANAG number for purposes
of identification.
RATIFICATION, IMPLEMENTATION AND RESERVATIONS
4.      Ratification, implementation and reservation details are available on request or
through the NSA websites (internet http://nsa.nato.int; NATO Secure WAN
http://nsa.hq.nato.int).
FEEDBACK
5.     Any comments concerning this publication should be directed to NATO/NSA – Bvd
Leopold III - 1110 Brussels – BE.
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                                        ii
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                                                                          STANAG 4694
                                                                               (Edition 1)
                                                                    (Ratification Draft 1)
                      NATO STANDARDIZATION AGREEMENT
                                 (STANAG)
                               NATO ACCESSORY RAIL
Annexes:
A.     Drawing.
B.     Recommended method to attach accessories to the NATO Accessory Rail.
Foreword
Due to an increased requirement to attach accessories to infantry weapons, there is a
need to standardize the interface between these accessories and the weapon. Because of
this NATO established RTO / SCI panel / group 178 / RTG-043 consisting of
representatives from CAN, DEU, ESP, ITA, NLD, NOR, ROM, SVK, SWE and USA.
The NATO Accessory Rail according to this STANAG has full backwards compatibility with
existing US MIL-STD-1913 accessories.
Related documents
N/A
AIM
1.     The aim of this agreement is standardization of an accessory interface for
       interchangeability.
2.     This document will describe the interface.
3.     This STANAG will also give recommendation on attachment methods.
AGREEMENT
4.     Participating nations agree that they shall adhere to the technical interfaces as
       outlined below.
5.     Nations may propose changes to this standard if the development of future
       systems or technological enhancements dictate changes or refinement.
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                                                                             STANAG 4694
                                                                                  (Edition 1)
                                                                       (Ratification Draft 1)
6.     Such proposals should be submitted, at the earliest possible opportunity, to the
       Military Agency for Standardization and the Defense Support Division where they
       will be processed in the same manner as the original agreement.
ASSUMPTIONS AND EXCLUSIONS
GENERAL
9.     The NATO accessory rail is defined by the drawing in annex A.
10.    Recommended method to attach accessories to the NATO Accessory Rail is found
       in annex B.
IMPLEMENTATION OF THIS AGREEMENT
11.    This STANAG is implemented when signatory countries, by means of appropriate
       national procedures, have:
              (a)   Ensured that all persons responsible for the design and construction
                    of Dismounted Soldier System and related equipment are informed of
                    the existence of the NATO standard characteristics defined in this
                    Agreement; and
              (b)   Ensured that the introduction of new equipment designs does not
                    hinder the interoperability of their respective new equipment with other
                    Nation’s Dismounted Soldier System. It is the signatory Nation’s
                    responsibility to provide interoperability at the level of their choices
                    respecting this STANAG.
Definitions
Dismounted Soldier Systems Everything the soldier wears, carries and consumes to fulfill
                           the soldiers tasks as individuals, as members of fighting
                           teams and as parts of higher-level operational units.
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                                                                            STANAG 4694
                                                                                 (Edition 1)
                                                                      (Ratification Draft 1)
Related military technical interface specifications
US MIL-STD-1913
Related technical specifications
Dimensioning and tolerances of the accessory mounting rail for small arms shall be in
accordance with ISO 2768, ASME Y 14.100, and ASME Y 14.5M-1994.
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                                    ANNEX A
                              STANAG 4694
                                   (Edition 1)
                        (Ratification Draft 1)
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         A-1
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                                                                                   ANNEX B
                                                                             STANAG 4694
                                                                                  (Edition 1)
                                                                       (Ratification Draft 1)
     Recommended method to attach accessories to the NATO Accessory Rail
It is recommended that accessories (for example sight mounts) are in contact with the rail
on three sides only. These are the top surface of the rail, and the lower angled two
surfaces as shown below.
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                                        B-1