The Venturi,valve, cataloged under National Stock Number 1650-00-627-2180, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Defense & Development Enterprises Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 1650-00-627-2180 |
| Primary Part Number | 20254-1 |
| Item Name | Venturi,valve |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Defense & Development Enterprises Llc |
| Status | ACTIVE |
| General Characteristics Item Description | 4.790 IN. LG,3.000 IN. W,4 HOLES 0.219 IN. DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 20254-1 PRIMARY | Defense & Development Enterprises Llc (USA) |
| Reference | Meaning |
|---|---|
| 20254-1 | 5/2 Secondary reference U.S. Government activity |
| 20254-1 | 3/9 Design control — primary reference Triumph Thermal Systems - Maryland, Inc. |
NSN 1650-00-627-2180 is a Venturi,valve, manufactured by Defense & Development Enterprises Llc, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-627-2180 has 1 manufacturer part number on file: 20254-1 (Defense & Development Enterprises Llc).
3 possible matches (shared part number, not a government interchangeability claim): 5305-00-871-6024, 5940-01-239-0546, 5306-01-464-9297. Verify interchangeability with system specifications before substitution.
Key specifications for 20254-1: General Characteristics Item Description: 4.790 IN. LG,3.000 IN. W,4 HOLES 0.219 IN. DIA IN. 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.
NSN 1650-00-627-2180 has DEMIL Code B. 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.