The Pump Unit,reciprocating, cataloged under National Stock Number 4320-01-308-4329, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Hope Imaging Corporation. Government technical data includes 17 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. 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 | 4320-01-308-4329 |
| Primary Part Number | 903-0042-001 |
| Item Name | Pump Unit,reciprocating |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Hope Imaging Corporation |
| Status | ACTIVE |
| Discharge Connection Quantity | 2 |
| Intake Connection Type | UNTHREADED EXTERNAL |
| Inclosure Type | FULLY INCLOSED |
| Current Type | AC |
| Pumping Element Operating Position | VERTICAL |
| Voltage in Volts | 115.0 |
| Cooling Method | AIR TO AIR COOLED |
| Prime Mover Quantity | 2 |
| Pump Quantity | 2 |
| Pump Reciprocating Design | SINGLE ACTING |
| Prime Mover Cooling Medium | AIR |
| Cylinder Quantity | 2 |
| Discharge Connection Type | UNTHREADED EXTERNAL |
| Intake Connection Quantity | 2 |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | PHOTOGRAPHIC DEVELOPERS |
| Mounting Type | FRAME |
| 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 |
|---|---|
| 903-0042-001 PRIMARY | Hope Imaging Corporation (USA) |
NSN 4320-01-308-4329 is a Pump Unit,reciprocating, manufactured by Hope Imaging Corporation, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-308-4329 has 1 manufacturer part number on file: 903-0042-001 (Hope Imaging Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-317-7774. Verify interchangeability with system specifications before substitution.
Key specifications for 903-0042-001: Discharge Connection Quantity: 2; Intake Connection Type: UNTHREADED EXTERNAL; Inclosure Type: FULLY INCLOSED; Current Type: AC. 17 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.