5310-01-294-1722, WASHER,FLAT

National Stock Number:
5310-01-294-1722

Federal Supply Class:
5310

National Item Identification Number:
012941722

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:

LD153-0035-0003

43999

THE BOEING COMPANY

Techincal Specification:

MATERIAL	IRON ALLOY 660 OR
	STEEL COMP 632 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5732 ASSN STD 1ST MATERIAL RESPONSE OR
	AMS 5737 ASSN STD 1ST MATERIAL RESPONSE OR
	AMS 5520 ASSN STD 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.350 INCHES MINIMUM AND
	0.360 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE	ROUND
OVERALL DIAMETER	0.607 INCHES MINIMUM AND
	0.627 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
THICKNESS	0.054 INCHES MINIMUM AND
	0.070 INCHES MAXIMUM
COLOR	YELLOW OVERALL
SPECIAL FEATURES	COLOR PER FED-STD-595,NUMBER 13655; WASHER FACES SHALL BE PARALLEL WITHIN PORM 0.002 IN.
MINIMUM TENSILE STRENGTH	140000 POUNDS PER SQUARE INCH
SUPPLEMENTARY FEATURES	USED WITH TLN1001 AND TLN1010 TAPERED SHANK NUTS FOR GRIP ADJUSTMENT

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