The Retainer,turnlock Fastener Eject, cataloged under National Stock Number 5325-01-069-3483, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-069-3483 |
| Primary Part Number | GR531AG420A |
| Item Name | Retainer,turnlock Fastener Eject |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Eyelet Height | 0.625 INCHES NOMINAL IN |
| Distance Between Flanges | 0.056 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Largest Outside Diameter | 0.528 INCHES MINIMUM AND 0.534 INCHES MAXIMUM IN |
| Turnlock Eyelet Style | EYELET |
| Material Document and Classification | QQ-W-423,TYPE 302,COND B FED SPEC SINGLE MATERIAL RESPONSE LOCKSPRING |
| Eyelet Inside Diameter | 0.257 INCHES MINIMUM AND 0.261 INCHES MAXIMUM IN |
| Smallest Outside Diameter | 0.430 INCHES MINIMUM AND 0.433 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| GR531AG420A PRIMARY | Northrop Grumman Systems Corporation (USA) |
| GR531AG420A | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA) |
| Reference | Meaning |
|---|---|
| 6319-1 | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
NSN 5325-01-069-3483 is a Retainer,turnlock Fastener Eject, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-069-3483 has 2 manufacturer part numbers on file: GR531AG420A (Northrop Grumman Systems Corporation), GR531AG420A (Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware).
3 possible matches (shared part number, not a government interchangeability claim): 5360-01-245-1890, 3040-01-295-7086, 5310-01-649-1407. Verify interchangeability with system specifications before substitution.
Key specifications for GR531AG420A: Eyelet Height: 0.625 INCHES NOMINAL IN; Distance Between Flanges: 0.056 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Largest Outside Diameter: 0.528 INCHES MINIMUM AND 0.534 INCHES MAXIMUM IN. 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.