The Ring,retaining, cataloged under National Stock Number 5325-01-083-6668, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Haldex Brake Products Corporation. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-083-6668 |
| Primary Part Number | N1171A |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Haldex Brake Products Corporation |
| Status | ACTIVE |
| Material Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM |
| Usage Design | INTERNAL |
| Material Document and Classification | SAE J316 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 3.040 INCHES MINIMUM AND 3.080 INCHES MAXIMUM IN |
| Major Thickness | 0.092 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN |
| Inside Diameter | 2.700 INCHES MINIMUM AND 2.740 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPECIAL |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| N1171A PRIMARY | Haldex Brake Products Corporation (USA) |
| Reference | Meaning |
|---|---|
| 2451199 | 5/9 Secondary reference U.S. Government activity |
NSN 5325-01-083-6668 is a Ring,retaining, manufactured by Haldex Brake Products Corporation, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-083-6668 has 1 manufacturer part number on file: N1171A (Haldex Brake Products Corporation).
Key specifications for N1171A: Material Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM; Usage Design: INTERNAL; Material Document and Classification: SAE J316 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.