The Ring,retaining, cataloged under National Stock Number 5325-00-682-1543, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 15 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5325-00-682-1543 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | CANCELLED |
| Material Hardness Rating | 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM |
| Usage Design | EXTERNAL |
| Material Document and Classification | FED STD 66 AISI 1066 OR 1069 OR 1070 OR 1072 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Major Thickness | 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN |
| Inside Diameter | 2.172 INCHES MINIMUM AND 2.212 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | EXTERNAL |
| Surface Treatment | CADMIUM AND CHROMATE |
| Material | STEEL COMP 1066 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1072 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1086 OR STEEL COMP 1090 |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-DTL-21248 | 4/1 Identification reference U.S. Government activity |
| 5100-237MD | C/1 Advisory reference — outside the item-of-supply concept Rotor Clip Company, Inc. |
| 661384 | C/1 Advisory reference — outside the item-of-supply concept Wiggins Lift Co Inc |
| 643A412-24 | 5/1 Secondary reference Timken Gears & Services Inc. Div Philadelphia Gear |
| 3100-ST-CD | 5/9 Secondary reference U.S. Government activity |
| 046568 | C/1 Advisory reference — outside the item-of-supply concept Brudi Inc |
| 5365006821543 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 5100-237MD | 5/9 Secondary reference Truarc Company Llc Dba Waldes Truarc |
| MS9013-49 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MS16624-1237 | 2/2 Government specification standardization U.S. Government activity |
| 5100-237-S-MD | C/1 Advisory reference — outside the item-of-supply concept Rotor Clip Company, Inc. |
| 5100-237-S-MD | 5/9 Secondary reference Truarc Company Llc Dba Waldes Truarc |
| 5100-237 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| D7581-15-10 | 5/1 Secondary reference Banner Industries Inc Skinner Engine Co Div |
| 5100-237B | C/1 Advisory reference — outside the item-of-supply concept Truarc Company Llc Dba Waldes Truarc |
NSN 5325-00-682-1543 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: cancelled.
4 possible matches (shared part number, not a government interchangeability claim): 5325-00-803-9974, 5999-01-020-6708, 6750-01-400-2732. Verify interchangeability with system specifications before substitution.
Key specifications for 5325-00-682-1543: Material Hardness Rating: 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM; Usage Design: EXTERNAL; Material Document and Classification: FED STD 66 AISI 1066 OR 1069 OR 1070 OR 1072 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR. 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.
NSN 5325-00-682-1543 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.