5310-01-125-1224 WASHER,FLAT Index 5310-01-125-1226 WASHER,FLAT

National Stock Number:
5310-01-125-1225

Federal Supply Class:
5310

National Item Identification Number:
011251225

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:
10109432A486GNIMIKKEISTOKESKUS NCB FINLAND
5310PL01531699009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
NAS1149DN816J80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
FF-W-9281348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
AN960JD8L88044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
ASNA2397JD8LF6198AIRBUS OPERATIONS
SS5072-S578286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5,TEMPER T3 FED SPEC SINGLE MATERIAL RESPONSE OR
QQ-A-250/5,TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.174 INCHES NOMINAL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.370 INCHES MINIMUM AND
0.395 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.013 INCHES MINIMUM AND
0.019 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATAA TYPE AND
1 GRADE AND
D CLASS
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEFF-W-92


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