5310-00-140-0558, WASHER,FLAT

National Stock Number:
5310-00-140-0558

Federal Supply Class:
5310

National Item Identification Number:
001400558

Description:
WASHER,FLAT

Detail:
A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.

Manufacturer Information:

20364-2	53655	AVOX SYSTEMS INC
5310PL1819819	9009H	INSPEKTORAT WSPARCIA SIL ZBROJNYCH
663052	05234	THERMO JARRELL ASH CORP BAIRD DIV
FFW92	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
AN960XC416L	88044	AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE

Techincal Specification:

MATERIAL	STEEL COMP 301 AND
	STEEL COMP 316 AND
	STEEL COMP 302 AND
	STEEL COMP 321 OR
	STEEL COMP 347 OR
	STEEL COMP 348 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5059 MIL SPEC 2ND MATERIAL RESPONSE AND
	MIL-S-5059 MIL SPEC 3RD MATERIAL RESPONSE AND
	MIL-S-6721 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	OXIDE FILM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.255 INCHES MINIMUM AND
	0.275 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE	ROUND
OVERALL DIAMETER	0.495 INCHES MINIMUM AND
	0.520 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
THICKNESS	0.022 INCHES MINIMUM AND
	0.042 INCHES MAXIMUM
COLOR	BLACK OVERALL
NONDEFINITIVE SPEC/STD DATA	A TYPE AND
	2 GRADE AND
	B CLASS
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	AN960XC416L
MANUFACTURERS CODE	81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	FFW92

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