The Ring,retaining, cataloged under National Stock Number 5325-00-477-2696, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Lowell Corporation Dba Porter Ferguson Div Porter Ferguson Division. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 5325-00-477-2696 |
| Primary Part Number | 309935 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Lowell Corporation Dba Porter Ferguson Div Porter Ferguson Division |
| Status | ACTIVE |
| Usage Design | EXTERNAL OR INTERNAL |
| End Style | 90 DEGREE PARALLEL |
| Material Document and Classification | KEYSTONE WIRE MFR REF SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 0.439 INCHES NOMINAL IN |
| Major Thickness | 0.046 INCHES NOMINAL IN |
| Inside Diameter | 0.347 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| 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 |
|---|---|
| 309935 PRIMARY | Lowell Corporation Dba Porter Ferguson Div Porter Ferguson Division (USA) |
NSN 5325-00-477-2696 is a Ring,retaining, manufactured by Lowell Corporation Dba Porter Ferguson Div Porter Ferguson Division, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-477-2696 has 1 manufacturer part number on file: 309935 (Lowell Corporation Dba Porter Ferguson Div Porter Ferguson Division).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-184-4318. Verify interchangeability with system specifications before substitution.
Key specifications for 309935: Usage Design: EXTERNAL OR INTERNAL; End Style: 90 DEGREE PARALLEL; Material Document and Classification: KEYSTONE WIRE MFR REF SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR. 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.