The Pump,manual Bilge, cataloged under National Stock Number 4320-01-122-0597, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Munster Simms Engineering Ltd. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-122-0597 |
| Primary Part Number | MK5 |
| Item Name | Pump,manual Bilge |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Munster Simms Engineering Ltd |
| Status | ACTIVE |
| General Characteristics Item Description | CAPACITY,1.5 PINTS |
| 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 |
|---|---|
| MK5 PRIMARY | Munster Simms Engineering Ltd (GBR) |
| Reference | Meaning |
|---|---|
| BP0510 | 5/9 Secondary reference Imtra Corp |
| MK5 | 5/9 Secondary reference Henderson Pumps & Equipment Ltd |
| MH0510 | 5/9 Secondary reference Imtra Corp |
| MH0510 | 5/9 Secondary reference Munster Simms Engineering Ltd |
| HENDERSON MK-V | C/1 Advisory reference — outside the item-of-supply concept Munster Simms Engineering Ltd |
| 4320PL1997328 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 13226E0375-1 | 5/2 Secondary reference U.S. Government activity |
NSN 4320-01-122-0597 is a Pump,manual Bilge, manufactured by Munster Simms Engineering Ltd, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-122-0597 has 1 manufacturer part number on file: MK5 (Munster Simms Engineering Ltd).
4 possible matches (shared part number, not a government interchangeability claim): 5220-01-264-6784, 1350-01-355-3525, 1350-01-355-3526. Verify interchangeability with system specifications before substitution.
Key specifications for MK5: General Characteristics Item Description: CAPACITY,1.5 PINTS; End Item Identification: 1940011055728. 1 specification is 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.