2910-00-711-0490 PARTS KIT,CARBURETOR Index 3040-00-711-0497 PAWL

National Stock Number:
5310-00-711-0496

Federal Supply Class:
5310

National Item Identification Number:
007110496

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:
779321619200US ARMY ARDEC RDECOM
779321619205SPRINGFIELD ARMORY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND W/FLATS
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.290 INCHES MINIMUM AND 0.295 INCHES MAXIMUM
HOLE WIDTH ACROSS FLATS0.215 INCHES MINIMUM AND 0.220 INCHES MAXIMUM
OUTSIDE LEFT CORNER CHAMFER ANGLE45.0 DEGREES NOMINAL
OVERALL DIAMETER0.520 INCHES MINIMUM AND 0.525 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A322 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 4130 OR STEEL COMP 4140 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDOD-P-16232, TY M, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OR DOD-P-16232, TY Z, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
THICKNESS0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM


Click here to Register for Free 30-day Trial