The Plumbing Assembly,aircraft Fuel, cataloged under National Stock Number 4930-01-520-5477, is classified within Federal Supply Class 4930 (Lubrication and Fuel Dispensing Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is The Entwistle Company Llc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4930-01-520-5477 |
| Primary Part Number | 0421-00-0001 |
| Item Name | Plumbing Assembly,aircraft Fuel |
| FSC / FSG | 4930 / 49 — Lubrication and Fuel Dispensing Equipment |
| Manufacturer | The Entwistle Company Llc |
| Status | ACTIVE |
| Supplementary Features | ALSO INCLUDES TWO 900GPM METERS; AIR TRANSPORTABLE WHEN CONTAINERIZED |
| Reference Data and Literature | PD04WRLEEV25 PURCHASE DESCRIPTION |
| Functional Classification | EE-2.4 |
| Functional Description | CONSISTS OF HOSES, VALVES, ADAPTERS, COUPLINGS, AND EVACUATION EQUIPMENT USED TO CONNECT COMPONENTS OF FORCE TACTICAL AIRFIELD FUEL RECEIPT, TRANSFER, STORAGE, AND ISSUE SYSTEM |
| 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 |
|---|---|
| 0421-00-0001 PRIMARY | The Entwistle Company Llc (USA) |
| Reference | Meaning |
|---|---|
| PD04WRLEEV25 | 5/1 Secondary reference U.S. Government activity |
NSN 4930-01-520-5477 is a Plumbing Assembly,aircraft Fuel, manufactured by The Entwistle Company Llc, classified under FSC 4930, Lubrication and Fuel Dispensing Equipment. Status: active.
NSN 4930-01-520-5477 has 1 manufacturer part number on file: 0421-00-0001 (The Entwistle Company Llc).
1 possible match (shared part number, not a government interchangeability claim): 3010-01-556-6937. Verify interchangeability with system specifications before substitution.
Key specifications for 0421-00-0001: Supplementary Features: ALSO INCLUDES TWO 900GPM METERS; AIR TRANSPORTABLE WHEN CONTAINERIZED; Reference Data and Literature: PD04WRLEEV25 PURCHASE DESCRIPTION; Functional Classification: EE-2.4; Special Features: PURCHASE DESCRIPTION NUMBER PD04WRLEEV25 CAGE 98752. 4 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.