Product Details | FLAT WASHER

5310-00-177-7611 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.

Part Alternates: 5310-00-177-7611, 00-177-7611, 5310001777611, 001777611

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 00-177-7611

Drawings & Photos | NSN 5310-00-177-7611


Cross Reference | NSN 5310-00-177-7611

Part Number Cage Code Manufacturer
S1635-63353 78286 SIKORSKY AIRCRAFT CORPORATION
SP4300-190 26512 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE

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Technical Data | NSN 5310-00-177-7611

Characteristic Specifications
MATERIAL STEEL COMP 4130 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION GSS8050A,FSCM 26512 MFR REF SINGLE TREATMENT RESPONSE OVERALL
HOLE DIAMETER 0.328 INCHES NOMINAL
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.750 INCHES NOMINAL
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.065 INCHES NOMINAL
III HEAT TREATMENT AS FABRICATED
III MINIMUM TENSILE STRENGTH 125000 POUNDS PER SQUARE INCH
MANUFACTURERS CODE 26512
DESIGN CONTROL REFERENCE SP4300-190

Restrictions/Controls & Freight Information | NSN 5310-00-177-7611

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Category Code Description
No Freight Information