The Ring,retaining, cataloged under National Stock Number 5325-01-395-9236, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-395-9236 |
| Primary Part Number | 717801285-001 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Material Document and Classification | AMS 5678 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUNDED CORNERS |
| Outside Diameter | 0.476 INCHES MINIMUM AND 0.496 INCHES MAXIMUM IN |
| Major Thickness | 0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN |
| Ring Style | INTERNAL |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 631 |
| 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 |
|---|---|
| 717801285-001 | Lockheed Martin Corporation (USA) |
| Reference | Meaning |
|---|---|
| ET244WC4-1 | 5/9 Secondary reference U.S. Government activity |
| ET244WC4-001 | 3/2 Design control — primary reference U.S. Government activity |
| 717801285 | D/9 Drawing number reference only Lockheed Martin Corporation |
NSN 5325-01-395-9236 is a Ring,retaining, manufactured by Lockheed Martin Corporation, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-395-9236 has 1 manufacturer part number on file: 717801285-001 (Lockheed Martin Corporation).
Key specifications for 717801285-001: Usage Design: INTERNAL; Material Document and Classification: AMS 5678 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: ROUNDED CORNERS; Outside Diameter: 0.476 INCHES MINIMUM AND 0.496 INCHES MAXIMUM IN. 8 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.