The Ring,retaining, cataloged under National Stock Number 5325-00-663-2282, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Dynamic Controls Ltd. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-00-663-2282 |
| Primary Part Number | 5100-43C |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Dynamic Controls Ltd |
| Status | ACTIVE |
| Material Hardness Rating | 37.0 ROCKWELL C MINIMUM |
| Usage Design | EXTERNAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Major Thickness | 0.025 INCHES NOMINAL IN |
| Inside Diameter | 0.395 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | EXTERNAL |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 5100-43C | Dynamic Controls Ltd (GBR) |
| 5100-43C | Cirteq Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 340-0046-000 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 5100-43C | C/1 Advisory reference — outside the item-of-supply concept Truarc Company Llc Dba Waldes Truarc |
| SMB283171-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-00-663-2282 is a Ring,retaining, manufactured by Dynamic Controls Ltd, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-663-2282 has 2 manufacturer part numbers on file: 5100-43C (Dynamic Controls Ltd), 5100-43C (Cirteq Ltd).
Key specifications for 5100-43C: Material Hardness Rating: 37.0 ROCKWELL C MINIMUM; Usage Design: EXTERNAL; Cross-Sectional Shape Style: RECTANGULAR; Major Thickness: 0.025 INCHES NOMINAL IN. 8 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.