The A21261 is a the manufacturer industrial component. Key specifications include material: STEEL, usage_design: EXTERNAL, inside_diameter: 0.328 INCHES NOMINAL IN, major_thickness: 0.025 INCHES NOMINAL IN, surface_treatment: CADMIUM, casehardening_indicator: NOT CASEHARDENED. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-386-3067, 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 | STEEL |
| ring_style | C |
| usage_design | EXTERNAL |
| inside_diameter | 0.328 INCHES NOMINAL IN |
| major_thickness | 0.025 INCHES NOMINAL IN |
| surface_treatment | CADMIUM |
| casehardening_indicator | NOT CASEHARDENED |
| material_hardness_rating | 67.5 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 72.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM |
| cross-sectional_shape_style | RECTANGULAR |
| material_document_and_classification | FED STD 66,FS1066 TO FS1090 FED STD SINGLE MATERIAL RESPONSE |
| NSN | 7025-01-386-3067 |