The Ring,retaining, cataloged under National Stock Number 5325-01-628-7466, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Greene Machine & Manufacturing Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-01-628-7466 |
| Primary Part Number | MT183H4-1 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Greene Machine & Manufacturing Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| MT183H4-1 | Greene Machine & Manufacturing Inc (USA) |
| MT183H4-1 | Gm Diecron, Llc (USA) |
| Reference | Meaning |
|---|---|
| MT183H4-1 | 3/2 Design control — primary reference U.S. Government activity |
| MT183H4-1 | 5/9 Secondary reference Bryant's Machine Shop Inc |
| MT183H4-1 | 5/9 Secondary reference Stone Machine and Tool Inc |
NSN 5325-01-628-7466 is a Ring,retaining, manufactured by Greene Machine & Manufacturing Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-628-7466 has 2 manufacturer part numbers on file: MT183H4-1 (Greene Machine & Manufacturing Inc), MT183H4-1 (Gm Diecron, Llc).
Key specifications for MT183H4-1: End Item Identification: U-2. 0 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.