The Pump,reciprocating, cataloged under National Stock Number 4320-01-050-3874, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-050-3874 |
| Item Name | Pump,reciprocating |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Pumping Element Type | DIAPHRAGM |
| Intake Connection Type | THREADED EXTERNAL |
| Pumping Element Operating Position | HORIZONTAL |
| Reciprocating Stroke Type | VARIABLE |
| Pump Reciprocating Design | DOUBLE ACTING |
| Discharge Connection Thread Size and Series/type Designator | 2.000-11-1/2 NPT |
| Drive Shaft Type | PLAIN ROUND |
| Intake Connection Thread Size and Series/type Designator | 2.000-11-1/2 NPT |
| Discharge Pressure | 10.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES |
| Cylinder Quantity | 4 |
| Maximum Discharge Flow Rate | 140.0 GALLONS PER MINUTE |
| Discharge Connection Type | THREADED EXTERNAL |
| Intake Connection Quantity | 1 |
| Operation Method | POWERED |
| Total Head | 250.000 FEET FT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| EB2-A/TB-1-AX | 5/9 Secondary reference Warren Rupp-Houdaille Inc Sub of Houdaille Industries Inc |
| 2A0D-ABBB | 5/9 Secondary reference Itt Marlow a Unit of Itt Pumps and Compressors Div |
| S920A-NP-NP-NP | 5/9 Secondary reference U.S. Government activity |
| P8/AAAPP/BNS/BN/BN/0030 | 3/9 Design control — primary reference Psg California, Llc Div Dover Corporation |
| EB2-M/TB-1-AX | 5/9 Secondary reference Warren Rupp-Houdaille Inc Sub of Houdaille Industries Inc |
| P8/AAB/BN/BN/BN/003 | 5/9 Secondary reference Psg California, Llc Div Dover Corporation |
| T8/AAAB/BN/BN/BN/003 | 5/9 Secondary reference Psg California, Llc Div Dover Corporation |
| SB-2A-TB-1-C1 | 5/9 Secondary reference Warren Rupp-Houdaille Inc Sub of Houdaille Industries Inc |
| 2A0D-ABBB-1 | 5/9 Secondary reference Itt Marlow a Unit of Itt Pumps and Compressors Div |
| V2.0 BN/BN/BN SF | 5/9 Secondary reference Versa-Matic Tool Inc |
| EB2-M/TB-3-AX | 5/9 Secondary reference Warren Rupp-Houdaille Inc Sub of Houdaille Industries Inc |
| M8/BF/BN/BN/BN | 5/9 Secondary reference Psg California, Llc Div Dover Corporation |
| V2AAR220-R | 5/9 Secondary reference Versa-Matic Tool Inc |
NSN 4320-01-050-3874 is a Pump,reciprocating, classified under FSC 4320, Power and Hand Pumps. Status: active.
Key specifications for 4320-01-050-3874: Discharge Connection Quantity: 1; Pumping Element Type: DIAPHRAGM; Intake Connection Type: THREADED EXTERNAL; Pumping Element Operating Position: HORIZONTAL. 16 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.