The Ring,retaining, cataloged under National Stock Number 5325-00-770-2753, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-770-2753 |
| Primary Part Number | 8A7291 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — No Item Name Available |
| Manufacturer | Napco International Llc Dba Napco International Inc |
| Status | ACTIVE |
| Outside Diameter | 3.125 INCHES NOMINAL IN |
| Usage Design | INTERNAL |
| Material | STEEL |
| Material Document and Classification | QQ-S-633A, FS 1060 TO FS 1070 FED SPEC SINGLE MATERIAL RESPONSE A |
| Ring Style | ANGULAR CAP |
| Inside Diameter | 2.750 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Major Thickness | 0.063 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Material Hardness Rating | 43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8A7291 | Napco International Llc Dba Napco International Inc (USA) |
| 93-56 | Liberty Ventures Inti, Llc (USA) |
| 2019959 | Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA) |
| 2019959 | General Motors Llc Dba General Motors Llc (USA) |
| 12363R | Diamond Reo Truck Co (USA) |
| 3BLA01003 | Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA) |
| 8A8102 | Napco International Llc Dba Napco International Inc (USA) |
| 2019959 | General Motors Corp (USA) |
| 7702753 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| V4444X | White Motor Corp (USA) |
| SK250-10 | Clark Equipment Co (USA) |
| 639547 | Sasco Inc Canadian Div |
NSN 5325-00-770-2753 is a Ring,retaining, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 5325 (No Item Name Available). Status: active.
NSN 5325-00-770-2753 has 12 cross-referenced part numbers: 8A7291 (Napco International Llc Dba Napco International Inc), 93-56 (Liberty Ventures Inti, Llc), 2019959 (Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02), 2019959 (General Motors Llc Dba General Motors Llc), 12363R (Diamond Reo Truck Co) and 7 more.
There are 9 known substitutes for 5325-00-770-2753: 5950-00-059-5530, 5330-00-212-9337, 5935-00-260-0516 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8A7291: Outside Diameter: 3.125 INCHES NOMINAL IN; Usage Design: INTERNAL; Material: STEEL; Material Document and Classification: QQ-S-633A, FS 1060 TO FS 1070 FED SPEC SINGLE MATERIAL RESPONSE A. 10 total characteristics are documented in the Federal Logistics Information System.