The Ejector,jet, cataloged under National Stock Number 4320-01-596-7148, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Derbyshire Machine & Tool Co. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-596-7148 |
| Primary Part Number | 67-S-138-A |
| Item Name | Ejector,jet |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Derbyshire Machine & Tool Co |
| Status | ACTIVE |
| Discharge Outlet Quantity | 1 |
| Pressure Inlet Quantity | 1 |
| Jet Quantity | 4 |
| Maximum Capacity Rating | 50.000 CUBIC FEET PER MINUTE |
| Suction Inlet Quantity | 1 |
| Pressure Inlet Type | PLAIN FACE FLANGE |
| Discharge Outlet Type | PLAIN FACE FLANGE |
| Material | COPPER ALLOY BODY |
| Material | NICKEL ALLOY JET |
| Maximum Driving Pressure Capacity Rating | 175.000 POUNDS PER SQUARE INCH LBS |
| Media for Which Designed | WATER |
| Operation Method | WATER |
| Suction Inlet Type | PLAIN FACE FLANGE |
| 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 |
|---|---|
| 67-S-138-A PRIMARY | Derbyshire Machine & Tool Co (USA) |
| Reference | Meaning |
|---|---|
| 67-S-138-A REV.A | D/9 Drawing number reference only Derbyshire Machine & Tool Co |
NSN 4320-01-596-7148 is a Ejector,jet, manufactured by Derbyshire Machine & Tool Co, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-596-7148 has 1 manufacturer part number on file: 67-S-138-A (Derbyshire Machine & Tool Co).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-622-7360, 4730-01-622-7364. Verify interchangeability with system specifications before substitution.
Key specifications for 67-S-138-A: Discharge Outlet Quantity: 1; Pressure Inlet Quantity: 1; Jet Quantity: 4; Maximum Capacity Rating: 50.000 CUBIC FEET PER MINUTE. 13 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.