5310-01-199-1355, WASHER,FLAT

National Stock Number:
5310-01-199-1355

Federal Supply Class:
5310

National Item Identification Number:
011991355

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:

763721-6

73030

HAMILTON SUNDSTRAND CORPORATION

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5059 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-5059 MIL SPEC 3RD MATERIAL RESPONSE OVERALL OR MIL-S-5059 MIL SPEC 4TH MATERIAL RESPONSE OVERALL OR AMS5510 ASSN STD 5TH MATERIAL RESPONSE OVERALL OR AMS 5512 ASSN STD 6TH MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 301 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 316 OVERALL OR STEEL COMP 321 OVERALL OR STEEL COMP 347 OVERALL
PERIPHERAL SHAPE STYLE	ROUND
PROPRIETARY CHARACTERISTICS	PACS
OVERALL DIAMETER	0.307 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THICKNESS	0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM

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