The Pump,reciprocating, cataloged under National Stock Number 4320-01-398-4971, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Champ Industries Div Champ Industries, Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-398-4971 |
| Primary Part Number | ES1436 |
| Item Name | Pump,reciprocating |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Champ Industries Div Champ Industries, Inc |
| Status | ACTIVE |
| Pumping Element Type | PISTON |
| Unpackaged Unit Length | 4.000 INCHES NOMINAL IN |
| Pump Reciprocating Design | DOUBLE ACTING |
| Unpackaged Unit Width | 1.750 INCHES NOMINAL IN |
| Unpackaged Unit Height | 6.620 INCHES NOMINAL IN |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ES1436 PRIMARY | Champ Industries Div Champ Industries, Inc (USA) |
| Reference | Meaning |
|---|---|
| 2022AS112-1 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| ES1436 | 5/9 Secondary reference Mechanical Equipment Sale Inc |
NSN 4320-01-398-4971 is a Pump,reciprocating, manufactured by Champ Industries Div Champ Industries, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-398-4971 has 1 manufacturer part number on file: ES1436 (Champ Industries Div Champ Industries, Inc).
Key specifications for ES1436: Pumping Element Type: PISTON; Unpackaged Unit Length: 4.000 INCHES NOMINAL IN; Pump Reciprocating Design: DOUBLE ACTING; Unpackaged Unit Width: 1.750 INCHES NOMINAL IN. 6 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.
NSN 4320-01-398-4971 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.