5310-01-235-5957, WASHER,FLAT

National Stock Number:
5310-01-235-5957

Federal Supply Class:
5310

National Item Identification Number:
012355957

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:

MS14226-32YC416

96906

MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

MATERIAL	STEEL COMP 301 OR
	STEEL COMP 302 OR
	STEEL COMP 304 OR
	STEEL COMP 316 OR
	STEEL COMP 321 OR
	STEEL COMP 347 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OR
	MIL-S-5059 MIL SPEC 2ND MATERIAL RESPONSE OR
	MIL-S-5059 MIL SPEC 3RD MATERIAL RESPONSE OR
	MIL-S-5059 MIL SPEC 4TH MATERIAL RESPONSE OR
	AMS 5510 ASSN STD 5TH MATERIAL RESPONSE OR
	AMS 5512 ASSN STD 6TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	OXIDE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.291 INCHES MINIMUM AND
	0.296 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE	ROUND
OVERALL DIAMETER	0.495 INCHES MINIMUM AND
	0.520 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
THICKNESS	0.057 INCHES MINIMUM AND
	0.069 INCHES MAXIMUM
COLOR	BLACK OVERALL
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS14226-32YC416

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