5310-00-187-2400, WASHER,FLAT

National Stock Number:
5310-00-187-2400

Federal Supply Class:
5310

National Item Identification Number:
001872400

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:

10168924	A486G	NIMIKKEISTOKESKUS NCB FINLAND
407 599	77294	PIPER INDUSTRIAL MANUFACTURING COMPANY, LLC
807285-00	32345	DEFENSE REDUCTION AGENCY
AN960PD616	61125	ECHELON SUPPLY AND SERVICE, INC.
5310PL0150169	9009H	INSPEKTORAT WSPARCIA SIL ZBROJNYCH
5310PL1368793	9009H	INSPEKTORAT WSPARCIA SIL ZBROJNYCH
CVC754-540LA25	80378	TRIUMPH AEROSTRUCTURES, LLC
AN960PD616	88044	AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
CVC754-540LA25	D9182	ZF INDUSTRIEANTRIEBE WITTEN GMBH

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CRITICALITY CODE JUSTIFICATION	FEAT
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM
OVERALL DIAMETER	0.620 INCHES MINIMUM AND 0.645 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	ALUMINUM ALLOY 2024 OVERALL
NONDEFINITIVE SPEC/STD DATA	A TYPE AND 2 GRADE AND D CLASS
PERIPHERAL SHAPE STYLE	ROUND
SPECIAL FEATURES	WEAPONS SYSTEM ESSENTIAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-5541 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-A-8625 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CHROMATE OR ANODIZE OVERALL
THICKNESS	0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM

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