The Ring,retaining, cataloged under National Stock Number 5325-00-802-1492, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-00-802-1492 |
| Primary Part Number | 388637 |
| 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 | EXTERNAL |
| End Style | VERTEX BELOW CENTER |
| Material Diameter | 0.042 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5112 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.018 INCHES MINIMUM AND 1.038 INCHES MAXIMUM IN |
| Inside Diameter | 0.986 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | STEEL COMP 1090 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 388637 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 388637 PRIMARY | Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring (USA) |
| Reference | Meaning |
|---|---|
| 388637 | 5/2 Secondary reference U.S. Government activity |
| 388637 | 5/9 Secondary reference U.S. Government activity |
| 388637 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 5325-00-802-1492 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 5325-00-802-1492 has 2 manufacturer part numbers on file: 388637 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 388637 (Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring).
Key specifications for 388637: Usage Design: EXTERNAL; End Style: VERTEX BELOW CENTER; Material Diameter: 0.042 INCHES MINIMUM AND 0.043 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.