The Ring,retaining, cataloged under National Stock Number 5325-01-479-7739, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Bauer Compressors, Inc.. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5325-01-479-7739 |
| Primary Part Number | N00484 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Bauer Compressors, Inc. |
| Status | ACTIVE |
| Outside Diameter | 20.000 MILLIMETERS NOMINAL MM |
| Major Thickness | 1.000 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| MNL-0071 A3.9-11 POS. 20 | Bauer Compressors, Inc. (USA) |
| N00484 PRIMARY | Bauer Compressors, Inc. (USA) |
| Reference | Meaning |
|---|---|
| N484 | 5/9 Secondary reference Bauer Compressors, Inc. |
NSN 5325-01-479-7739 is a Ring,retaining, manufactured by Bauer Compressors, Inc., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-479-7739 has 2 manufacturer part numbers on file: MNL-0071 A3.9-11 POS. 20 (Bauer Compressors, Inc.), N00484 (Bauer Compressors, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-727-5288. Verify interchangeability with system specifications before substitution.
Key specifications for N00484: Outside Diameter: 20.000 MILLIMETERS NOMINAL MM; Major Thickness: 1.000 MILLIMETERS NOMINAL MM; End Item Identification: NAVY EQUIP; PISTON ASSY; Material: STEEL. 3 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.