The Ring,retaining, cataloged under National Stock Number 5325-00-807-3471, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5325-00-807-3471 |
| Primary Part Number | SK000177 |
| 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 |
| Usage Design | EXTERNAL |
| End Style | DIAGONAL PARALLEL |
| Material Document and Classification | SAE 1018 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 2.937 INCHES NOMINAL IN |
| Major Thickness | 0.015 INCHES NOMINAL IN |
| Inside Diameter | 2.687 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Surface Treatment | CADMIUM |
| Material | STEEL COMP 1018 |
| 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 |
|---|---|
| SK000177 PRIMARY | Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems (USA) |
| Reference | Meaning |
|---|---|
| 233897 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
| 401236 | 5/9 Secondary reference Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems |
NSN 5325-00-807-3471 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 5325-00-807-3471 has 1 manufacturer part number on file: SK000177 (Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems).
2 possible matches (shared part number, not a government interchangeability claim): 5965-01-302-4143, 5120-01-408-9241. Verify interchangeability with system specifications before substitution.
Key specifications for SK000177: Usage Design: EXTERNAL; End Style: DIAGONAL PARALLEL; Material Document and Classification: SAE 1018 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR. 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.