The Ring,retaining, cataloged under National Stock Number 5325-00-558-7213, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-558-7213 |
| Primary Part Number | 290358R1 |
| 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 | SAE 1066 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUNDED CORNERS |
| Outside Diameter | 3.680 INCHES NOMINAL IN |
| Major Thickness | 0.062 INCHES NOMINAL IN |
| Inside Diameter | 3.430 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | STEEL COMP 1066 |
| 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 |
|---|---|
| 290358R1 | Komatsu America Corp. (USA) |
| Reference | Meaning |
|---|---|
| 290358R1 | 5/9 Secondary reference U.S. Government activity |
| 290358R1 | 3/9 Design control — primary reference Komatsu American Intl Co |
| 290358R1 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
NSN 5325-00-558-7213 is a Ring,retaining, manufactured by Komatsu America Corp., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-558-7213 has 1 manufacturer part number on file: 290358R1 (Komatsu America Corp.).
Key specifications for 290358R1: Usage Design: INTERNAL; End Style: VERTEX BELOW CENTER; Material Document and Classification: SAE 1066 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: ROUNDED CORNERS. 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.