The Ring,retaining, cataloged under National Stock Number 5325-00-680-2399, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Monadnock Company, the Dba Lisi Aerospace. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-680-2399 |
| Primary Part Number | 294329 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Monadnock Company, the Dba Lisi Aerospace |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Cross-Sectional Shape Style | ROUNDED CORNERS |
| Outside Diameter | 0.415 INCHES NOMINAL IN |
| Major Thickness | 0.025 INCHES NOMINAL IN |
| Inside Diameter | 0.343 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPIRAL FLAT |
| Surface Treatment | CADMIUM |
| 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 |
|---|---|
| 294329 PRIMARY | Monadnock Company, the Dba Lisi Aerospace (USA) |
NSN 5325-00-680-2399 is a Ring,retaining, manufactured by Monadnock Company, the Dba Lisi Aerospace, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-680-2399 has 1 manufacturer part number on file: 294329 (Monadnock Company, the Dba Lisi Aerospace).
Key specifications for 294329: Usage Design: INTERNAL; Cross-Sectional Shape Style: ROUNDED CORNERS; Outside Diameter: 0.415 INCHES NOMINAL IN; Major Thickness: 0.025 INCHES NOMINAL IN. 9 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.