The Deflector,dirt and Liquid, cataloged under National Stock Number 4320-00-875-8048, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Weil Pump Co Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-875-8048 |
| Primary Part Number | N2973 |
| Item Name | Deflector,dirt and Liquid |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Weil Pump Co Inc |
| Status | ACTIVE |
| Mounting Hole Quantity | 1 |
| Step Length | 0.562 INCHES NOMINAL IN |
| Style Designator | ROUND, STEPPED |
| Material Document and Classification | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 4.375 INCHES NOMINAL IN |
| Material Thickness | 0.875 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Inside Diameter | 1.812 INCHES NOMINAL IN |
| Step Diameter | 3.000 INCHES NOMINAL IN |
| Thread Class | 2B |
| Material | COPPER ALLOY |
| Thread Size and Series/type Designator | 0.375-16 UNIFIED NATIONAL COARSE (UNC) |
| Mounting Hole Type | THREADED |
| 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 |
|---|---|
| A10050PC4 | Weil Pump Co Inc (USA) |
| A-1297-1 PC4 | Weil Pump Co Inc (USA) |
| N2973 PRIMARY | Weil Pump Co Inc (USA) |
NSN 4320-00-875-8048 is a Deflector,dirt and Liquid, manufactured by Weil Pump Co Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-875-8048 has 3 manufacturer part numbers on file: A10050PC4 (Weil Pump Co Inc), A-1297-1 PC4 (Weil Pump Co Inc), N2973 (Weil Pump Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 6110-01-178-4753. Verify interchangeability with system specifications before substitution.
Key specifications for N2973: Mounting Hole Quantity: 1; Step Length: 0.562 INCHES NOMINAL IN; Style Designator: ROUND, STEPPED; Material Document and Classification: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE. 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.