The Ring,retaining, cataloged under National Stock Number 5325-01-442-5645, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Lucky Line Products, Inc Div Lucky Line Products. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-442-5645 |
| Primary Part Number | 78300 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Lucky Line Products, Inc Div Lucky Line Products |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Unit Package Type | BOX |
| Outside Diameter | 0.875 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPLIT |
| Surface Treatment | NICKEL |
| 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 |
|---|---|
| 78300 PRIMARY | Lucky Line Products, Inc Div Lucky Line Products (USA) |
| Reference | Meaning |
|---|---|
| TKR-7 | 5/9 Secondary reference Lucky Line Products, Inc Div Lucky Line Products |
NSN 5325-01-442-5645 is a Ring,retaining, manufactured by Lucky Line Products, Inc Div Lucky Line Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-442-5645 has 1 manufacturer part number on file: 78300 (Lucky Line Products, Inc Div Lucky Line Products).
Key specifications for 78300: Usage Design: EXTERNAL; Unit Package Type: BOX; Outside Diameter: 0.875 INCHES NOMINAL IN; Casehardening Indicator: NOT CASEHARDENED. 7 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.