The Retainer,assembled Nut, cataloged under National Stock Number 5340-01-633-1476, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Hitachi Energy Usa Inc. Government technical data includes 3 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-633-1476 |
| Primary Part Number | CNTH00021M |
| Item Name | Retainer,assembled Nut |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Hitachi Energy Usa Inc |
| Status | ACTIVE |
| Surface Treatment | ZINC |
| Material | STEEL |
| Thread Size and Series/type Designator | 0.375-16 UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| CNTH00021M PRIMARY | Hitachi Energy Usa Inc (USA) |
NSN 5340-01-633-1476 is a Retainer,assembled Nut, manufactured by Hitachi Energy Usa Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-633-1476 has 1 manufacturer part number on file: CNTH00021M (Hitachi Energy Usa Inc).
Key specifications for CNTH00021M: Overall Height: 0.453 INCHES NOMINAL IN; Overall Length: 0.703 INCHES NOMINAL IN; Special Features: ALTERED ITEM MADE FROM REFERANCE NUMBER 78553/C-7957-3816-3B. ORIGINAL ITEM SPECIAL PLATED ELECTRODEPOSITED ZINC TO CONFORM TO ASTM B 633 TYPE II.; Surface Treatment: ZINC. 3 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.