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TABLE I - DIMENSIONS
THREAD SIZE T @A AD
SIZE CODE THICKNESS +.010 +.015
(REF) lal -.000 -.005
NO.0 (.0600) 0 .016 .063 .099
NO.2 (.0860) 2 .016 .089 .t49
NO.3 (.0e90) 3L .016 .t02 .180
F NO.3 (.0ee0) 3 .032 .t02 .180
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NO.4 (,1120) 4L .016 . 115 .209
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F^ NO.4 (.1120) 4 .032 .115 .209
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NO.8 (.1640) 8 .032 .169 .304 o
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3S NO.10 (.1e00) 101 .032 .195 .354 d
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ep tl4 (.2s00) 416 .2s5 .468
9a .063
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o#. IaI IN TABLE IDENTIFIES THE LIGHT SERIES E
OF WASHERS. Li'i
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B<o Reproduced By IHS
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CUSTODIAN
il$i;,,,,-@F+ NATIONAL AEROSPACE STANDARDS COMMITTEE
PROCUREIVIENT TITLE CLASSIFICATION
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SPECIFICATION
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WASHE& FLAT, REDUCED OUTSIDE DIAMETER
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USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY. AIA DOES NOT QUALIFY SUPPLIERS OR CERTIFY
CONFORMANCE OF ITEIYS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. AIA MAKES NO REPRESENTATION OR CLAIM RESPECTING (1) THE SUITABILITY OF
TTFMT FOR ANY PARTTCI II AR APPI TCATTON OR T7\ THF FXTqTFNCF OF OR APPI I'ARTI TTY THFRFTO OF PATFNT OR TRADFMARKq RIGHTS
NATI'NAL AERosPAcE
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O COPYRIGHT 2013 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. ALL RIGHTS RESERVED $A,luNAl At*ospArb ,lANrrAtDs
MATERIAL:
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LOW CARBON STEEL SHEET OR STRIP IN ACCORDANCE WITH QQ-S-698, COLD ROLLED COMMERCIAL
U QUALITY, NO. 1 FULL HARD TEMPER OR NO. 2 HALF-HARD TEMPER, NO. 3 FINISH.
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U 5052 ALUMINUM ALLOY SHEET IN ACCORDANCE WITH AMS-QQ-A-250/8 (UNS A95052), TEMPER H32 OR
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: TEMPER H34.
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zo COMMERCIAL BRASS SHEET OR STRIP IN ACCORDANCE WITH ASTM 836/836M OR ASTM 8121/8121M,
F . HALF-HARD TEMPER.
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coRRosroN-RESTSTANT STEEL SHEET OR STRIP rN ACCORDANCE WITH ASTM A240IA240M, ANY OF
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!lo THE 300 SERIES, CONDITION A, FINISH 2D OR 28 (FOR SHEET), FINISH 2 (FOR STRIP).
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Q@< WEAR/GALLTNG RESTSTANT CRES BAR pER AMS584B OR ASTM A276 (UNS 521800) OR WEAR/GALLTNG
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.9i RESISTANT CRES SHEET PERASTM A24OIA24OM (UNS S218OO).
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FINISH:
LOW CARBON STEEL - CADMINUM PLATE IN ACCORDANCE WITH AMS.QQ-P-416, TYPE II, CLASS 2.
ALUMINUM ALLOY _ NONE,
BMSS - CADMIUM PLATE IN ACCORDANCE WITH AMS-QQ-P-416, TYPE II, CLASS 2. CADMIUM PLATED BMSS
WASHERS ARE TO BE DYED A LIGHT BLUE COLOR WHICH WILL NOT RUB OFF OR BE SMEARED BY
CONTACT INCIDENTAL TO HANDLING AND SERVICE, AND SHALL NOT BE INJURIOUS TO THE
MATERIAL,
CRESS - PASSIVATE IN ACCORDANCE WITH AMS2700, METHOD 1, TYPE 6 OR TypE 7, C|-ASS 1.
_ BLACK OXIDE COAT PER MIL-DTL-13924.
F WEAR/GALLING RESISTANT CRES - PASSIVATE IN ACCORDANCE WITH AMS27OO, METHOD 1, TYPE 6 OR
U< TYPE7, CLASS 1.
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CODE:
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"-" INDICATES LOW CARBON STEEL.
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<fi "C" INDICATES CORROSION RESISTANT STEEL.
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REVISION
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USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENNRELY VOLUNTARY. AIA DOES NOT QUAUFY SUPPLIERS OR CERTIFY
CONFORIVIANCE OF ITEMS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. AlA MAKES NO REPRESENTATION OR CLAIIVI RESPECTING (1) THE SUITABILITY OF
ITEMS FOR ANY PARTICULAR APPI]CATTON OR (2) THE EXISTENCE OF OR APPLICABILITY THERETO OF PATENT OR TRADEIVIARKS RIGHTS.
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NATT.NALAER,'PA.E STANDARD rtEff
O COPYRIGHT 2013 AEROSPACE INDUSIRIES ASSOCIATION OF AMERICA. INC. ALL RIGHTS RESERVEO N*rrtN4 nrrosr*r spxaerss
EXAMPLE OF PART NUMBER:
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DOCUMENT NUMBER
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o6< NAS620-10 = NO. 10 STEELWASHER, CADMIUM PLATED, .063 INCH THICK.
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NAS620A10L = NO. 10 ALUMINUM ALLOY WASHER, LIGHT SERIES, .032 INCH THICK.
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NAS620B10 = NO. 10 BRASS WASHER, CADMIUM PLATED, DYED LIGHT BLUE, .053 INCH THICK.
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NAS620C10 = NO. 10 CORROSION-RESISTANT STEEL WASHER, PASSIVATED, .063 INCH THICK.
<i< NAS620C10P = NO. 10 CORROSION-RESISTANT STEEL WASHER, BLACK-OXIDE COATED, .063 INCH THICK.
NAS620N10 = NO. 10 WEAR/GALLING RESISTANT CRES WASHER, .063 INCH THICK.
NOTES:
(1) DIMENSIONS IN INCHES AND APPLY AFTER FINISH UNLESS OTHERWISE SPECIFIED.
(2) TOLERANCES:
ALL WASHERS MUST BE FIAT WITHIN .OO7 INCH AND PAMLLEL WITHIN .OO2 INCH.
TOLEMNCE ON THICKNESS'T" IS TO BE IN ACCORDANCE WITH THE SHEET TOLEMNCE REQUIREMENTS
OF THE APPLICABLE MATERIAL SPECIFICATION.
(3) REMOVE ALL BURRS AND SHARP EDGES BEFORE PLATING.
F (4) USE MS15795 WASHERS OR NAS1149 WASHERS WHENEVER PMCTICAL.
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(s) THESE WASHERS ARE PRIMARILY FOR USE TO MOUNT COMPONENTS IN AREAS OF BEND MDII AND OTHER
FO
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=z (6) UNLESS OTHERWISE SPECIFIED HEREIN, REFERENCED DOCUMENTS SHALL BE THE ISSUE IN EFFECT ON
B= DATE OF MANUFACTURE. HOWEVER, EXISTING MATERIAL INVENTORY CERTIFIED TO A PREVIOUS REVISION
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AZ OF THE APPLICABLE MATERIAL SPECIFICATION(S) IS ACCEPTABLE FOR USE UNTIL DEPLETION.
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a' (8) UNLESS OTHERWISE SPECIFIED, PART INVENTORY MANUFACTURED TO PREVIOUS REVISIONS OF THE
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UT APPLICABLE DMWING OR SPECIFICATION MAY BE PROCURED AND USED UNTIL STOCK IS DEPLETED.
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{s (e) DIMENSIONING AND TOLEMNCING PER ANSI Y14.5M-1982.
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REVISION
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L @ coNer-rrElY REVIsED NA5620
SHEEI 3
USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY. AIA DOES NOT QUALIFY SUPPLIERS OR CERTIF/
CONFORIVIANCE OF ITEMS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. AIA MAKES NO REPRESENTATION OR CLAII'-I RESPECTING (1) THE SUITABILITY oF
ITEN4S FOR ANY PART]CIJLAR APPLICATION OR 12) THE EXISTENCE OF OR APPLICABILIW THERETO OF PATENT OR TRADEN4ARKS RIGHTS,
