The Ring,retaining, cataloged under National Stock Number 5325-01-054-7085, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc Div Aerospace-South Bend (bendix Dr). 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-054-7085 |
| Primary Part Number | 2537551 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
| Status | ACTIVE |
| Usage Design | EXTERNAL OR INTERNAL |
| End Style | 90 DEGREE PARALLEL |
| Cross-Sectional Shape Style | SPLIT ROUND |
| Outside Diameter | 0.510 INCHES NOMINAL IN |
| Major Thickness | 0.110 INCHES NOMINAL IN |
| Inside Diameter | 0.395 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | ASBESTOS AND PLASTIC PHENOLIC AND PLASTIC POLYAMIDE NYLON |
| 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 |
|---|---|
| 2537551 PRIMARY | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA) |
| Reference | Meaning |
|---|---|
| 2537551 | 5/9 Secondary reference Unison Industries Llc |
NSN 5325-01-054-7085 is a Ring,retaining, manufactured by Honeywell International Inc Div Aerospace-South Bend (bendix Dr), classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-054-7085 has 1 manufacturer part number on file: 2537551 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)).
Key specifications for 2537551: Usage Design: EXTERNAL OR INTERNAL; End Style: 90 DEGREE PARALLEL; Cross-Sectional Shape Style: SPLIT ROUND; Outside Diameter: 0.510 INCHES NOMINAL IN. 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.