5310-01-077-1024, WASHER,FLAT

National Stock Number:
5310-01-077-1024

Federal Supply Class:
5310

National Item Identification Number:
010771024

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:

FF-W-92	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS15795-913	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
SC-C-681574-2	80063	US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR
MS15795-913ALTERED	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS15795-913	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CRITICALITY CODE JUSTIFICATION	ZZZW
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
DEPARTURE FROM CITED DOCUMENT	AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS
HOLE DIAMETER	0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-B-613,TEMPER 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	COPPER ALLOY 11 OVERALL
NONDEFINITIVE SPEC/STD DATA	A TYPE AND 1 GRADE AND E CLASS
OVERALL DIAMETER	0.868 INCHES MINIMUM AND 0.905 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE	ROUND
SPECIAL TEST FEATURES	SPECIAL QUALITY CONTROL TESTING
THICKNESS	0.064 INCHES MINIMUM AND 0.104 INCHES MAXIMUM

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