The Ring,retaining, cataloged under National Stock Number 5325-00-281-6711, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5325-00-281-6711 |
| Primary Part Number | 1A4975 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — No Item Name Available |
| Manufacturer | Napco International Llc Dba Napco International Inc |
| Status | CANCELLED |
| Ring Style | STRAIGHT GAP |
| Material Hardness Rating | 54.000 ROCKWELL C NOMINAL |
| Inside Diameter | 0.562 INCHES NOMINAL IN |
| Material | STEEL COMP 1060 |
| Material Document and Classification | QQ-S633,1060 FED SPEC SINGLE MATERIAL RESPONSE |
| End Style | VERTEX CENTER OR ABOVE |
| Cross-Sectional Shape Style | ROUND |
| Material Diameter | 0.625 INCHES NOMINAL IN |
| Usage Design | EXTERNAL |
| Outside Diameter | 0.687 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2816711 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 1A4975 PRIMARY | Napco International Llc Dba Napco International Inc (USA) |
| XR0425 | Mellowes Co Div of Charter Mfg Co Inc (USA) |
| S1848 | Cummins Inc. (USA) |
| 403020 | White Motor Corp (USA) |
| 552H2 | Diamond Reo Truck Co (USA) |
NSN 5325-00-281-6711 is a Ring,retaining, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 5325 (No Item Name Available). Status: cancelled.
NSN 5325-00-281-6711 has 6 cross-referenced part numbers: 2816711 (U S Army Tank Automotive Command Amsta-Im-Mm), 1A4975 (Napco International Llc Dba Napco International Inc), XR0425 (Mellowes Co Div of Charter Mfg Co Inc), S1848 (Cummins Inc.), 403020 (White Motor Corp) and 1 more.
There are 3 known substitutes for 5325-00-281-6711: 7510-00-198-5831, 5995-00-929-8793, 5940-01-033-5731. Verify interchangeability with system specifications before substitution.
Key specifications for 1A4975: Ring Style: STRAIGHT GAP; Material Hardness Rating: 54.000 ROCKWELL C NOMINAL; Inside Diameter: 0.562 INCHES NOMINAL IN; Material: STEEL COMP 1060. 11 total characteristics are documented in the Federal Logistics Information System.
NSN 5325-00-281-6711 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.