The Ring,retaining, cataloged under National Stock Number 5325-00-558-3322, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems. Government technical data includes 11 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through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-558-3322 |
| Primary Part Number | 401076 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems |
| Status | ACTIVE |
| Material Hardness Rating | 42.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| Usage Design | EXTERNAL |
| End Style | 90 DEGREE PARALLEL |
| Material Diameter | 0.095 INCHES NOMINAL IN |
| Material Document and Classification | SAE 1065-1070 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.315 INCHES NOMINAL IN |
| Inside Diameter | 1.125 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| 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 |
|---|---|
| 401076 PRIMARY | Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems (USA) |
| Reference | Meaning |
|---|---|
| 401076 | 5/9 Secondary reference Kaitlin Corp |
| 401076 | 5/9 Secondary reference Dart Truck Co |
| 305503 | 5/9 Secondary reference White Motor Corp |
| 10A7280 | 5/9 Secondary reference U.S. Government activity |
| 10BM0227 | 5/9 Secondary reference Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) |
| 185568 | 5/9 Secondary reference Sasco Inc Canadian Div |
| 68061H | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 401076 | 5/9 Secondary reference Walter Motor Truck Co |
| 24339W | 5/9 Secondary reference Diamond Reo Truck Co |
| 187K1 | 5/9 Secondary reference Diamond Reo Truck Co |
| 7351032 | 5/9 Secondary reference Mack Trucks Inc Parts Opn |
| 68061H | 5/9 Secondary reference U.S. Government activity |
NSN 5325-00-558-3322 is a Ring,retaining, manufactured by Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-558-3322 has 1 manufacturer part number on file: 401076 (Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems).
3 possible matches (shared part number, not a government interchangeability claim): 5305-01-165-1282, 5325-01-393-4375, 6650-01-528-8045. Verify interchangeability with system specifications before substitution.
Key specifications for 401076: Material Hardness Rating: 42.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM; Usage Design: EXTERNAL; End Style: 90 DEGREE PARALLEL; Material Diameter: 0.095 INCHES NOMINAL IN. 11 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.