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Ms20002an970 (MS63040)

This document provides specifications for high strength countersunk and plain washers. It lists the part numbers, materials, heat treatment, finish, and dimensional specifications for washers in various thread sizes from 1/4 to 1 inch. The material is specified as alloy steel that is cadmium plated. Tolerances for flatness depend on the outer diameter of the washer. Superseded part numbers are also provided.

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416 views1 page

Ms20002an970 (MS63040)

This document provides specifications for high strength countersunk and plain washers. It lists the part numbers, materials, heat treatment, finish, and dimensional specifications for washers in various thread sizes from 1/4 to 1 inch. The material is specified as alloy steel that is cadmium plated. Tolerances for flatness depend on the outer diameter of the washer. Superseded part numbers are also provided.

Uploaded by

robiny
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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MS20002

HIGH STRENGTH COUNTERSUNK AND PLAIN WASHERS

COUNTERSUNK WASHER -- FOR BCA PLAIN WASHER - FOR


B A
USE UNDER BOLT HEAD USE UNDER NUT

Thread MS PART NUMBER A B Diameter


Size Diameter
Countersunk Plain Max. Min.
MS20002C4 MS20002-4 .531 .260 .252
5/16 MS20002C5 MS20002-5 .593 .324 .315
3/8 MS20002C6 MS20002-6 .687 .388 .372
7/16 MS20002C7 MS20002-7 .781 .451 .441
MS20002C8 MS20002-8 .875 .515 .504
9/16 MS20002C9 MS20002-9 .968 .579 .568
5/8 MS0002C10 MS20002-10 1.062 .643 .631
MS20002C12 MS20002-12 1.250 .770 .757
7/8 MS20002C14 MS20002-14 1.437 .897 .884
1 MS20002C16 MS20002-16 1.625 1.025 1.010

Material : Alloy steel, Federal Standard No. 66, steel No. 1330 or 4130
Heat Treat : 125,000 to 145,000 psi. Specification MIL-H-6875
Finish : Cadmium Plating per QQ-P-416 Type 11, Class 2-parts

AN970 (SUPERSEDES MS63040)

MATERIAL : STEEL - CADMIUM PLATE QQ-P-416 TYPE 11 CLASS 2


EXAMPLE OF PART NO. AN970-4 = 1/4 BOLT SIZE .265 ID .063
THICK
Washers must be flat within 0.005 for sizes up to .875 inch OD and within

T
0.010 for sizes above

Superseded
Dash Number Bolt Size A D T
Part No.

3 No. 10-or -3/16 .203 .875 MS63040-3

-4
4 .265 1.125
.063
5 5/16 .328 1.375 -5

6 3/8 .390 1.625 -6

Product information and part numbers shown on these pages are not guaranteed
correct by AVIAQUIP PTY. LTD and are subject to cha nge without notice.
3

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