The Ring,retaining, cataloged under National Stock Number 5325-01-656-3976, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Price Engineering Company, Llc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-656-3976 |
| Primary Part Number | 40840000 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Price Engineering Company, Llc |
| Status | ACTIVE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 44.5 MILLIMETERS NOMINAL MM |
| Major Thickness | 1.75 MILLIMETERS NOMINAL MM |
| Inside Diameter | 44.5 MILLIMETERS NOMINAL MM |
| Ring Style | INTERNAL |
| 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 |
|---|---|
| 40840000 PRIMARY | Price Engineering Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 4256501 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 5325-01-656-3976 is a Ring,retaining, manufactured by Price Engineering Company, Llc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-656-3976 has 1 manufacturer part number on file: 40840000 (Price Engineering Company, Llc).
Key specifications for 40840000: Cross-Sectional Shape Style: RECTANGULAR; Outside Diameter: 44.5 MILLIMETERS NOMINAL MM; Major Thickness: 1.75 MILLIMETERS NOMINAL MM; Inside Diameter: 44.5 MILLIMETERS NOMINAL MM. 5 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.