The Makeup Valve,stop, cataloged under National Stock Number 4330-01-488-6466, 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 Wbparts Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4330-01-488-6466 |
| Primary Part Number | B-1GF-4 |
| Item Name | Makeup Valve,stop |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Wbparts Inc |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
NSN 4330-01-488-6466 is a Makeup Valve,stop, manufactured by Wbparts Inc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-488-6466 has 2 manufacturer part numbers on file: B-1GF-4 (Wbparts Inc), B-1GF-4 (New Jersey Fluid Systems Llc Dba Swagelok Nyc Nj Philadelphia).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-590-0971. Verify interchangeability with system specifications before substitution.
Key specifications for B-1GF-4: Criticality Code Justification: AGAV; Part Name Assigned by Controlling Agency: INAVY - MAKEUP VALVE,STOP; End Item Identification: FIGHTER SUPPORT AIRCRAFT F/A-18 (NON-HSP). 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.