The Ring,retaining, cataloged under National Stock Number 5325-00-282-5380, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-282-5380 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Material Hardness Rating | 64.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM |
| Usage Design | INTERNAL |
| Strength Rating | ERR-060 |
| Material Document and Classification | ASTM A576 COMP 1070,1074,OR 1080 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Outside Diameter | 2.154 INCHES NOMINAL IN |
| Major Thickness | 0.048 INCHES NOMINAL IN |
| Inside Diameter | 1.898 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPECIAL FLAT |
| Surface Treatment | OIL |
| Material | STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| M27426/3-0151A | 2/2 Government specification standardization U.S. Government activity |
| MIL-R-27426 | 5/9 Secondary reference U.S. Government activity |
| M27426/3-151A | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-27426 | 4/1 Identification reference U.S. Government activity |
| 626-001-9156 | 5/1 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
| RR206 | 5/1 Secondary reference U.S. Government activity |
NSN 5325-00-282-5380 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5998-00-407-9664. Verify interchangeability with system specifications before substitution.
Key specifications for 5325-00-282-5380: Material Hardness Rating: 64.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM; Usage Design: INTERNAL; Strength Rating: ERR-060; Material Document and Classification: ASTM A576 COMP 1070,1074,OR 1080 ASSN STD 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.