The Ring,retaining, cataloged under National Stock Number 5325-01-164-2406, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-164-2406 |
| Primary Part Number | 74A800851-2001 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Usage Design | EXTERNAL OR INTERNAL |
| End Style | 90 DEGREE PARALLEL |
| Material Document and Classification | AMS 5678, 17-7PH ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 1.440 INCHES MINIMUM AND 1.474 INCHES MAXIMUM IN |
| Major Thickness | 0.060 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| Inside Diameter | 1.320 INCHES MINIMUM AND 1.350 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| 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 |
|---|---|
| 74A800851-2001 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5325-01-164-2406 is a Ring,retaining, manufactured by The Boeing Company Div Defense, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-164-2406 has 1 manufacturer part number on file: 74A800851-2001 (The Boeing Company Div Defense).
Key specifications for 74A800851-2001: Usage Design: EXTERNAL OR INTERNAL; End Style: 90 DEGREE PARALLEL; Material Document and Classification: AMS 5678, 17-7PH ASSN STD 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.