The Pump,reciprocating, cataloged under National Stock Number 4320-00-369-3376, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Gow-Mac Instrument Co Div Gow-Mac Instrument Company. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-369-3376 |
| Primary Part Number | 133-101 |
| Item Name | Pump,reciprocating |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Gow-Mac Instrument Co Div Gow-Mac Instrument Company |
| Status | ACTIVE |
| Pumping Element Type | DIAPHRAGM |
| Media for Which Designed | INSECTICIDES |
| 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 |
|---|---|
| 133-101 PRIMARY | Gow-Mac Instrument Co Div Gow-Mac Instrument Company (USA) |
| Reference | Meaning |
|---|---|
| WMGM42253 | 5/9 Secondary reference Haddaway Mfg Co Inc |
NSN 4320-00-369-3376 is a Pump,reciprocating, manufactured by Gow-Mac Instrument Co Div Gow-Mac Instrument Company, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-369-3376 has 1 manufacturer part number on file: 133-101 (Gow-Mac Instrument Co Div Gow-Mac Instrument Company).
2 possible matches (shared part number, not a government interchangeability claim): 6520-01-057-1269, 5935-01-673-2539. Verify interchangeability with system specifications before substitution.
Key specifications for 133-101: Pumping Element Type: DIAPHRAGM; End Item Identification: GAS ANALYZER,GOW-MAC INSTURMENT CO,MODEL 20-700; Media for Which Designed: INSECTICIDES; Operation Method: POWERED. 3 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.