The Cap,dust, cataloged under National Stock Number 1450-00-945-7904, is classified within Federal Supply Class 1450 (Guided Missile Handling and Servicing Equipment) of the Guided Missiles group. The manufacturer of record is Tuthill Corp Hansen Coupling Div. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Cap,dust |
| FSC / FSG | 1450 — Guided Missile Handling and Servicing Equipment (FSG 14) |
| Manufacturers | Leonardo Uk Ltd (CAGE K0668); Safran Electrical Components Canada Inc Div Cantwell Cullen Hydraulics (CAGE 3AD25); Tuthill Corp Hansen Coupling Div (CAGE 73992) |
| Parameter | Value |
|---|---|
| NSN | 1450-00-945-7904 |
| Primary Part Number | PDC-1-HK |
| Item Name | Cap,dust |
| FSC / FSG | 1450 / 14 — Guided Missile Handling and Servicing Equipment |
| Manufacturer | Tuthill Corp Hansen Coupling Div |
| Status | ACTIVE |
| General Characteristics Item Description | BRASS,OVERALL LG 1.375 IN.; OD 0.562 IN. IN |
| 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 |
|---|---|
| PDC-1-HK | Leonardo Uk Ltd (GBR) |
| PDK-1-HK | Safran Electrical Components Canada Inc Div Cantwell Cullen Hydraulics (CAN) |
| PDC-1-HK PRIMARY | Tuthill Corp Hansen Coupling Div (USA) |
| Reference | Meaning |
|---|---|
| BUWEPSDWG2490364 | 5/9 Secondary reference Mcdonnell Douglas Corp Mcdonnell Douglas Aerospace Opns West |
| 10500866 | 7/2 Vendor item drawing reference General Dynamics Land Systems Canadacorp |
| 2490364 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| PDK-1-HK | 5/9 Secondary reference Tuthill Corp Hansen Coupling Div |
| L20955-30P781 | 5/9 Secondary reference Fluor Marine Propulsion, Llc Dba Knolls Atomic Power Laboratory |
NSN 1450-00-945-7904 is a Cap,dust, manufactured by Tuthill Corp Hansen Coupling Div, classified under FSC 1450, Guided Missile Handling and Servicing Equipment. Status: active.
NSN 1450-00-945-7904 has 3 manufacturer part numbers on file: PDC-1-HK (Leonardo Uk Ltd), PDK-1-HK (Safran Electrical Components Canada Inc Div Cantwell Cullen Hydraulics), PDC-1-HK (Tuthill Corp Hansen Coupling Div).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-519-6077. Verify interchangeability with system specifications before substitution.
Key specifications for PDC-1-HK: General Characteristics Item Description: BRASS,OVERALL LG 1.375 IN.; OD 0.562 IN. IN. 1 specification is 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.