The Ring,retaining, cataloged under National Stock Number 5325-01-131-4796, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5325-01-131-4796 |
| Primary Part Number | J204P0056 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| Material Document and Classification | AMS 5519 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Outside Diameter | 0.594 INCHES MINIMUM AND 0.607 INCHES MAXIMUM IN |
| Major Thickness | 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN |
| Inside Diameter | 0.512 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPIRAL |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 301 |
| 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 |
|---|---|
| J204P0056 PRIMARY | General Electric Company (USA) |
| WH-56-PA-S02-Z | Smalley Steel Ring Co. (USA) |
| Reference | Meaning |
|---|---|
| RR-56SP | 5/2 Secondary reference U.S. Government activity |
| 10160157 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5325-01-131-4796 is a Ring,retaining, manufactured by General Electric Company, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-131-4796 has 2 manufacturer part numbers on file: J204P0056 (General Electric Company), WH-56-PA-S02-Z (Smalley Steel Ring Co.).
1 possible match (shared part number, not a government interchangeability claim): 5325-01-287-3646. Verify interchangeability with system specifications before substitution.
Key specifications for J204P0056: Usage Design: EXTERNAL; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE; Material Document and Classification: AMS 5519 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: DOUBLE OVAL. 11 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.