The Separator,water,liquid Fuel, cataloged under National Stock Number 4330-01-187-2591, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. The manufacturer of record is M.t. Davidson Company. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4330-01-187-2591 |
| Primary Part Number | GCP-662-62 |
| Item Name | Separator,water,liquid Fuel |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | M.t. Davidson Company |
| Status | ACTIVE |
| Inlet Connection Type | THREADED |
| Material | NICKEL ALLOY TANK |
| Outlet Connection 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 |
|---|---|
| GCP-662-62 PRIMARY | M.t. Davidson Company (USA) |
| ABS-0500-003 | John Crane, Inc (USA) |
| M19565 | John Crane, Inc (USA) |
| Reference | Meaning |
|---|---|
| GCP-662 | 5/9 Secondary reference M.t. Davidson Company |
| ASP-0500-003 | 5/9 Secondary reference John Crane, Inc |
NSN 4330-01-187-2591 is a Separator,water,liquid Fuel, manufactured by M.t. Davidson Company, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-187-2591 has 3 manufacturer part numbers on file: GCP-662-62 (M.t. Davidson Company), ABS-0500-003 (John Crane, Inc), M19565 (John Crane, Inc).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-242-1431. Verify interchangeability with system specifications before substitution.
Key specifications for GCP-662-62: Inlet Connection Type: THREADED; Special Features: INLET AND OUTLET 9/16-18 STRAIGHT THD TAPS W/O-RING; Material: NICKEL ALLOY TANK; Outlet Connection Type: THREADED. 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.