The Pump,reciprocating, cataloged under National Stock Number 4320-01-280-8964, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Versa-Matic Tool Inc. Government technical data includes 19 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-280-8964 |
| Primary Part Number | E4SA4R440 |
| Item Name | Pump,reciprocating |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Versa-Matic Tool Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Pumping Element Type | DIAPHRAGM |
| Intake Connection Type | THREADED INTERNAL |
| Pumping Element Operating Position | HORIZONTAL |
| Suction Lift | 22.000 FEET AND 27.000 FEET FT |
| Unpackaged Unit Length | 11.750 INCHES NOMINAL IN |
| Reciprocating Stroke Type | VARIABLE |
| Pump Reciprocating Design | SINGLE ACTING |
| Unpackaged Unit Width | 14.250 INCHES NOMINAL IN |
| Discharge Connection Thread Size and Series/type Designator | 1.250-11-1/2 NPT |
| Intake Connection Thread Size and Series/type Designator | 1.500-11-1/2 NPT |
| Unpackaged Unit Height | 17.250 INCHES NOMINAL IN |
| Volume Control Type | PRESSURE COMPENSATION |
| Cylinder Quantity | 2 |
| Maximum Discharge Flow Rate | 70.0 GALLONS PER MINUTE |
| Discharge Connection Type | THREADED EXTERNAL |
| Intake Connection Quantity | 1 |
| Material | STEEL PUMP BASIC |
| Operation Method | POWERED |
| 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 |
|---|---|
| E4SA4R440 | Versa-Matic Tool Inc (USA) |
| Reference | Meaning |
|---|---|
| M4/SPPB/ND/ND/ND | 5/9 Secondary reference Psg California, Llc Div Dover Corporation |
| P4/SSAPP/EPS/EP/EP | 5/9 Secondary reference Psg California, Llc Div Dover Corporation |
| T4/SPPB/ND/ND/ND | 5/9 Secondary reference Psg California, Llc Div Dover Corporation |
| P4/SSPPP/EPS/EP/EP | 3/9 Design control — primary reference Psg California, Llc Div Dover Corporation |
| DRV1.25FSS ND/ND/ND | 5/9 Secondary reference Versa-Matic Tool Inc |
| M4-SO-ND-ND-ND | 5/9 Secondary reference Psg California, Llc Div Dover Corporation |
| M4 | 5/9 Secondary reference Psg California, Llc Div Dover Corporation |
NSN 4320-01-280-8964 is a Pump,reciprocating, manufactured by Versa-Matic Tool Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-280-8964 has 1 manufacturer part number on file: E4SA4R440 (Versa-Matic Tool Inc).
Key specifications for E4SA4R440: Discharge Connection Quantity: 1; Pumping Element Type: DIAPHRAGM; Intake Connection Type: THREADED INTERNAL; Pumping Element Operating Position: HORIZONTAL. 19 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.