The Ring,retaining, cataloged under National Stock Number 5325-01-027-5117, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Pti Technologies Inc.. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-027-5117 |
| Primary Part Number | 7501481 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Pti Technologies Inc. |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Strength Rating | ERR-060 |
| Material Document and Classification | SAE 302 ASSN STD 1ST MATERIAL RESPONSE AND AISI 302 ASSN STD 2ND MATERIAL RESPONSE AND MIL-S-5059, TYPE 302 MIL SPEC 3RD MATERIAL RESPONSE AND AMS 5688 ASSN STD 4TH MATERIAL RESPONSE AND QQ-S-766, CLASS 302 FED SPEC 5TH MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 1.496 INCHES MINIMUM AND 1.511 INCHES MAXIMUM IN |
| Major Thickness | 0.0235 INCHES MINIMUM AND 0.0265 INCHES MAXIMUM IN |
| Inside Diameter | 1.320 INCHES MINIMUM AND 1.335 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPECIAL |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 302 |
| 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 |
|---|---|
| 7501481 PRIMARY | Pti Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| UR-143S | 5/2 Secondary reference U.S. Government activity |
NSN 5325-01-027-5117 is a Ring,retaining, manufactured by Pti Technologies Inc., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-027-5117 has 1 manufacturer part number on file: 7501481 (Pti Technologies Inc.).
Key specifications for 7501481: Usage Design: INTERNAL; Strength Rating: ERR-060; Material Document and Classification: SAE 302 ASSN STD 1ST MATERIAL RESPONSE AND AISI 302 ASSN STD 2ND MATERIAL RESPONSE AND MIL-S-5059, TYPE 302 MIL SPEC 3RD MATERIAL RESPONSE AND AMS 5688 ASSN STD 4TH MATERIAL RESPONSE AND QQ-S-766, CLASS 302 FED SPEC 5TH MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR. 11 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.