The Ring,retaining, cataloged under National Stock Number 5325-01-475-5880, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Aeronautical Systems Support Company Dba Lmassc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5325-01-475-5880 |
| Primary Part Number | 23053406 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Lockheed Martin Aeronautical Systems Support Company Dba Lmassc |
| 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 |
|---|---|
| 23053406 PRIMARY | Lockheed Martin Aeronautical Systems Support Company Dba Lmassc (USA) |
| Reference | Meaning |
|---|---|
| 23053406 | 5/9 Secondary reference Lockheed Martin Services, Llc |
NSN 5325-01-475-5880 is a Ring,retaining, manufactured by Lockheed Martin Aeronautical Systems Support Company Dba Lmassc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-475-5880 has 1 manufacturer part number on file: 23053406 (Lockheed Martin Aeronautical Systems Support Company Dba Lmassc).
2 possible matches (shared part number, not a government interchangeability claim): 1560-01-483-3114, 5330-01-497-3941. Verify interchangeability with system specifications before substitution.
Key specifications for 23053406: Special Features: ITEM GOES IN THE PROPELLER GEARBOX UNIT; T.O. 1C-135J-4-72=1 FIGURE 1 INDES 60; Part Name Assigned by Controlling Agency: RING, PISTON PROSHAFT; End Item Identification: C 130J. 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.