The Pump,rotary, cataloged under National Stock Number 4320-00-672-8012, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Drs Environmental Systems Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4320-00-672-8012 |
| Primary Part Number | 890318 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Drs Environmental Systems Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | THREADED INTERNAL |
| Drive Shaft Length | 0.680 INCHES MAXIMUM IN |
| Drive Connection Type | RIGID COUPLED |
| Operating Speed at Rated Capacity | 4200.0 REVOLUTIONS PER MINUTE |
| Discharge Connection Thread Size and Series/type Designator | 0.125-27 NPT |
| Drive Shaft Type | TONGUE |
| Intake Connection Thread Size and Series/type Designator | 0.125-27 NPT |
| Discharge Pressure | 0.0 LOW VOLATILE ORGANIC COMPOUND - CONSUMER PRODUCTS - ANTIPERSPIRANTS AND DEODORANTS AND 10.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES |
| Maximum Discharge Flow Rate | 0.3 GALLONS PER MINUTE |
| Drive Shaft End Diameter | 0.288 INCHES MAXIMUM IN |
| Rotary Pump Design | GEAR |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Media for Which Designed | OIL |
| Pump Rotation Direction | CLOCKWISE AND COUNTERCLOCKWISE |
| Operation Method | POWERED |
| 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 |
|---|---|
| 890318 PRIMARY | Drs Environmental Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 890318 | 3/9 Design control — primary reference Davey Compressor Co Div of Keco Industries Inc |
| 890318 | 5/9 Secondary reference Kidde-Fenwal, Llc |
NSN 4320-00-672-8012 is a Pump,rotary, manufactured by Drs Environmental Systems Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-672-8012 has 1 manufacturer part number on file: 890318 (Drs Environmental Systems Inc).
2 possible matches (shared part number, not a government interchangeability claim): 2520-01-127-2624, 5905-01-475-9214. Verify interchangeability with system specifications before substitution.
Key specifications for 890318: Discharge Connection Quantity: 1; Intake Connection Type: THREADED INTERNAL; Drive Shaft Length: 0.680 INCHES MAXIMUM IN; Drive Connection Type: RIGID COUPLED. 17 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 4320-00-672-8012 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.