The Key Blank, cataloged under National Stock Number 5340-01-023-5645, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Dominion Lock Co Ltd. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-023-5645 |
| Primary Part Number | U00Z |
| Item Name | Key Blank |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Dominion Lock Co Ltd |
| Status | ACTIVE |
| 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 |
|---|---|
| U00Z | Dominion Lock Co Ltd (CAN) |
| Reference | Meaning |
|---|---|
| C066 | 5/9 Secondary reference U.S. Government activity |
| A22Z2 | 5/9 Secondary reference U.S. Government activity |
| C088 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-023-5645 is a Key Blank, manufactured by Dominion Lock Co Ltd, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-023-5645 has 1 manufacturer part number on file: U00Z (Dominion Lock Co Ltd).
1 possible match (shared part number, not a government interchangeability claim): 2590-01-168-1934. Verify interchangeability with system specifications before substitution.
Key specifications for U00Z: Special Features: NICKEL SILVER OR BRASS. 0 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.