The Ring,retaining, cataloged under National Stock Number 5325-01-541-8634, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Hornet Acquisitionco, Llc Dba Onboard Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-541-8634 |
| Primary Part Number | 42277-289 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Hornet Acquisitionco, Llc Dba Onboard Systems |
| Status | ACTIVE |
| 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 |
|---|---|
| 42277-289 PRIMARY | Hornet Acquisitionco, Llc Dba Onboard Systems (USA) |
| Reference | Meaning |
|---|---|
| 42277-289 | 6/9 Informative reference only Royal Malaysian Airforce |
NSN 5325-01-541-8634 is a Ring,retaining, manufactured by Hornet Acquisitionco, Llc Dba Onboard Systems, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-541-8634 has 1 manufacturer part number on file: 42277-289 (Hornet Acquisitionco, Llc Dba Onboard Systems).
Key specifications for 42277-289: Special Features: TECHNICAL DOCUMENT 25-00-19-1; Part Name Assigned by Controlling Agency: LOCK, SPRING, CARRIER. 0 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.