AN961-516: WASHER,FLAT.
The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 270 OR COPPER ALLOY 268 OVERALL, thickness: 0.054 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN, hole_diameter: 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN, overall_diameter: 0.557 INCHES MINIMUM AND 0.582 INCHES MAXIMUM IN, surface_treatment: TIN OR SILVER OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.
Government catalog under NSN 5310-00-185-0113, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| material | COPPER ALLOY 270 OR COPPER ALLOY 268 OVERALL |
| thickness | 0.054 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN |
| hole_diameter | 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN |
| overall_diameter | 0.557 INCHES MINIMUM AND 0.582 INCHES MAXIMUM IN |
| surface_treatment | TIN OR SILVER OVERALL |
| peripheral_shape_style | ROUND |
| center_hole_shape_style | ROUND |
| cross-sectional_shape_style | RECTANGULAR |
| material_document_and_classification | QQ-W-321,1/2 HARD FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-626,1/2 HARD FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| NSN | 5310-00-185-0113 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-T-10727 TY 1 MIL SPEC 1ST TREATMENT RESPONSE OR QQ-S-365 GRADE B FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| OVERALL DIAMETER | 0.621 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY MATERIAL SPECS AND AS MODIFIED BY OD |
| SURFACE TREATMENT | TIN OR SILVER OVERALL |
| PERIPHERAL SHAPE STYLE | ROUND |
| MATERIAL | COPPER OVERALL |
| CENTER HOLE SHAPE STYLE | ROUND |
| HOLE DIAMETER | 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN |
| THICKNESS | 0.054 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN |