The Ring,retaining, cataloged under National Stock Number 5325-01-145-6844, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Columbus Jack Corporation Div Columbus Jack. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-145-6844 |
| Primary Part Number | 915-150.25-4.030 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Columbus Jack Corporation Div Columbus Jack |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1065 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 4.030 INCHES NOMINAL IN |
| Major Thickness | 0.500 INCHES NOMINAL IN |
| Inside Diameter | 3.530 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPECIAL |
| Material | STEEL COMP 1065 |
| 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 |
|---|---|
| 915-150.25-4.030 PRIMARY | Columbus Jack Corporation Div Columbus Jack (USA) |
| Reference | Meaning |
|---|---|
| 915-150.25-4.030 | 5/9 Secondary reference Age Logistics Corporation |
NSN 5325-01-145-6844 is a Ring,retaining, manufactured by Columbus Jack Corporation Div Columbus Jack, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-145-6844 has 1 manufacturer part number on file: 915-150.25-4.030 (Columbus Jack Corporation Div Columbus Jack).
Key specifications for 915-150.25-4.030: Usage Design: INTERNAL; Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1065 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR; Outside Diameter: 4.030 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.