The Head,heater, cataloged under National Stock Number 4320-00-152-3630, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4320-00-152-3630 |
| Primary Part Number | 654335 |
| Item Name | Head,heater |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| General Characteristics Item Description | NOZZLE 1; HEAD 1 |
| 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 |
|---|---|
| 231369 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 654335 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 654335 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| 231369 | 5/9 Secondary reference Profile Gear Corp |
NSN 4320-00-152-3630 is a Head,heater, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-152-3630 has 3 manufacturer part numbers on file: 231369 (Lockheed Martin Corporation Div Rms - Mitchel Field), 654335 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 654335 (Lockheed Martin Corporation Div Rms - Mitchel Field).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-320-7338. Verify interchangeability with system specifications before substitution.
Key specifications for 654335: General Characteristics Item Description: NOZZLE 1; HEAD 1; End Item Identification: GUN SIGHT MK29 MOD1. 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.