The Ring,retaining, cataloged under National Stock Number 5325-00-428-7565, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-428-7565 |
| Primary Part Number | C1498 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| End Style | VERTEX OUTSIDE PERIPHERY |
| Material Diameter | 0.062 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.541 INCHES MINIMUM AND 0.551 INCHES MAXIMUM IN |
| Inside Diameter | 0.417 INCHES MINIMUM AND 0.427 INCHES MAXIMUM 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 |
|---|---|
| C1498 PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| C1498 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5325-00-428-7565 is a Ring,retaining, manufactured by Fairbanks Morse, Llc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-428-7565 has 1 manufacturer part number on file: C1498 (Fairbanks Morse, Llc).
1 possible match (shared part number, not a government interchangeability claim): 6105-00-507-4577. Verify interchangeability with system specifications before substitution.
Key specifications for C1498: Usage Design: EXTERNAL; End Style: VERTEX OUTSIDE PERIPHERY; Material Diameter: 0.062 INCHES NOMINAL IN; Cross-Sectional Shape Style: ROUND. 9 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.