The Ring,retaining, cataloged under National Stock Number 5325-00-798-4731, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Komatsu America Corp.. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5325-00-798-4731 |
| Primary Part Number | 164292H1 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Komatsu America Corp. |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| End Style | VERTEX BELOW CENTER |
| Material Document and Classification | B-118 FSCM 97286 MFR REF SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 6.625 INCHES NOMINAL IN |
| Major Thickness | 0.068 INCHES MINIMUM AND 0.076 INCHES MAXIMUM IN |
| Inside Diameter | 6.125 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 |
|---|---|
| 164292H1 | Komatsu America Corp. (USA) |
| 1429M169 | Meritor Heavy Vehicle Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 1429M169 | 3/9 Design control — primary reference U.S. Government activity |
| 164292H1 | 5/9 Secondary reference Komatsu American Intl Co |
| 164292 | 5/9 Secondary reference Komatsu American Intl Co |
NSN 5325-00-798-4731 is a Ring,retaining, manufactured by Komatsu America Corp., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-798-4731 has 2 manufacturer part numbers on file: 164292H1 (Komatsu America Corp.), 1429M169 (Meritor Heavy Vehicle Systems, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 1610-00-978-2811, 4820-01-171-0149. Verify interchangeability with system specifications before substitution.
Key specifications for 164292H1: Usage Design: INTERNAL; End Style: VERTEX BELOW CENTER; Material Document and Classification: B-118 FSCM 97286 MFR REF 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.