The Ring,retaining, cataloged under National Stock Number 5325-01-428-2935, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Atec Manufacturing Corp. Government technical data includes 12 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 | 5325-01-428-2935 |
| Primary Part Number | 950-134 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Atec Manufacturing Corp |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| End Style | 90 DEGREE PARALLEL |
| Unit Package Type | ENVELOPE |
| Material Document and Classification | QQ-A-200/3, ALLOY 2024, T3 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 5.210 INCHES NOMINAL IN |
| Major Thickness | 0.076 INCHES NOMINAL IN |
| Inside Diameter | 4.129 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY 2024 |
| 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 |
|---|---|
| 950-134 PRIMARY | Atec Manufacturing Corp (USA) |
NSN 5325-01-428-2935 is a Ring,retaining, manufactured by Atec Manufacturing Corp, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-428-2935 has 1 manufacturer part number on file: 950-134 (Atec Manufacturing Corp).
Key specifications for 950-134: Usage Design: INTERNAL; End Style: 90 DEGREE PARALLEL; Unit Package Type: ENVELOPE; Material Document and Classification: QQ-A-200/3, ALLOY 2024, T3 FED SPEC SINGLE MATERIAL RESPONSE. 12 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.