NSN 5310-00-256-7907

Part Details | FLAT WASHER

5310-00-256-7907 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.

Alternate Parts: W1013, W101-3, D74710, D747-10, D74710, D747-10, R98FB004, 9933364, 993336-4, 5310-00-256-7907, 00-256-7907, 5310002567907, 002567907

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 24, 197100-256-790713393 ( WASHER, FLAT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND

ROUND

Cross Reference | NSN 5310-00-256-7907
Part Number Cage Code Manufacturer
W101-358998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
D747-1017446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
D747-1097928HUCK INTL INC
R98FB00412464MCDONNELL DOUGLAS CORPMCDONNELL DOUGLAS ELECTRONIC SYSTEMS
993336-482577RAYTHEON COMPANYDBA RAYTHEON
Technical Data | NSN 5310-00-256-7907
Characteristic Specifications
HOLE DIAMETER0.252 INCHES MINIMUM AND 0.262 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE ROUND
OVERALL DIAMETER0.405 INCHES MINIMUM AND 0.425 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE ROUND
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
THICKNESS0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM