The Ring,retaining, cataloged under National Stock Number 5325-00-558-0322, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Safran Electrical & Power Uk Limited. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5325-00-558-0322 |
| Primary Part Number | N611543 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Safran Electrical & Power Uk Limited |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 2.585 INCHES MAXIMUM IN |
| Major Thickness | 0.240 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN |
| Inside Diameter | 2.385 INCHES MINIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | ANGULAR CAP |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE |
| 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 |
|---|---|
| CA67668-001 | Mistequay Group Ltd (USA) |
| N611543 PRIMARY | Safran Electrical & Power Uk Limited (GBR) |
| 279198 PRIMARY | Linear Motion Llc Div Ugm (USA) |
| 279198 | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| CA67668-001 | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| CA67668-001 | 5/9 Secondary reference Moog Military Aircraft Llc |
| 279198 | 5/9 Secondary reference Kidde-Fenwal, Llc |
NSN 5325-00-558-0322 is a Ring,retaining, manufactured by Safran Electrical & Power Uk Limited, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-558-0322 has 5 manufacturer part numbers on file: CA67668-001 (Mistequay Group Ltd), N611543 (Safran Electrical & Power Uk Limited), 279198 (Linear Motion Llc Div Ugm), 279198 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), CA67668-001 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
1 possible match (shared part number, not a government interchangeability claim): 5925-01-629-8385. Verify interchangeability with system specifications before substitution.
Key specifications for N611543: Usage Design: INTERNAL; Cross-Sectional Shape Style: RECTANGULAR; Outside Diameter: 2.585 INCHES MAXIMUM IN; Major Thickness: 0.240 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN. 8 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.