The Ring,retaining, cataloged under National Stock Number 5325-00-021-5293, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-021-5293 |
| Primary Part Number | 579786 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| End Style | 90 DEGREE PARALLEL |
| Material Diameter | 0.062 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5112 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 5.090 INCHES MINIMUM AND 5.210 INCHES MAXIMUM IN |
| Inside Diameter | 4.963 INCHES MINIMUM AND 5.085 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | STEEL |
| 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 |
|---|---|
| 579786 PRIMARY | Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring (USA) |
| Reference | Meaning |
|---|---|
| 579786 | 3/2 Design control — primary reference U.S. Government activity |
| 579786 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 579786 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 5325-00-021-5293 is a Ring,retaining, manufactured by Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-021-5293 has 1 manufacturer part number on file: 579786 (Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring).
Key specifications for 579786: Usage Design: INTERNAL; End Style: 90 DEGREE PARALLEL; Material Diameter: 0.062 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN; Material Document and Classification: AMS 5112 ASSN STD SINGLE MATERIAL RESPONSE. 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.