5310-01-434-3792, WASHER,FLAT

National Stock Number:
5310-01-434-3792

Federal Supply Class:
5310

National Item Identification Number:
014343792

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:

5310PL1524680	9009H	INSPEKTORAT WSPARCIA SIL ZBROJNYCH
NAS1149F1032P	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS1149F1032P	A0126	LEONARDO SPA HELICOPTERS DIVISION -PRODUCTION SITE

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	0.635 INCHES MINIMUM AND 0.640 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-7952 MIL SPEC 1ST MATERIAL RESPONSE OR ASTM A109 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 1020 OR STEEL COMP 1025 OVERALL
PERIPHERAL SHAPE STYLE	ROUND
OVERALL DIAMETER	1.183 INCHES MINIMUM AND 1.188 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA	80205-NAS1149 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
THICKNESS	0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM

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