26001-3: ARMOR,SUPPLEMENTAL,SMALL ARMS-FR.
ARMOR,SUPPLEMENTAL,SMALL ARMS-FR. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, peripheral_diameter: 0.640 INCHES NOMINAL IN, center_hole_diameter: 0.250 INCHES NOMINAL IN, cross-sectional_height: 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN, cross-sectional_shape_style: SPECIAL. This part is cataloged in the U.S.
Government catalog under NSN 5325-00-056-3889, 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 | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL |
| peripheral_diameter | 0.640 INCHES NOMINAL IN |
| center_hole_diameter | 0.250 INCHES NOMINAL IN |
| cross-sectional_height | 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN |
| cross-sectional_shape_style | SPECIAL |
| NSN | 5325-00-056-3889 |
| EYELET OUTSIDE DIAMETER | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| DRIVE TYPE | CROSS RECESS |
| MATERIAL ACCOMMODATED THICKNESS | 0.360 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN |
| DIAMETER | 0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN |
| STUD HEAD HEIGHT | 0.056 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN |
| SECURING DEVICE TYPE | WASHER |
| DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD | 0.903 INCHES MINIMUM AND 0.918 INCHES MAXIMUM IN |
| TURNLOCK STUD HEAD STYLE | FLAT FILLISTER |
| SURFACE TREATMENT | CADMIUM OVERALL |
| MATERIAL | STEEL OVERALL |