The Coupling Half,air V, cataloged under National Stock Number 1650-00-370-4209, 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 Tennessee Mat Company Inc. Dba Wearwell. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Coupling Half,air V |
| FSC / FSG | 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components (FSG 16) |
| Manufacturers | Tennessee Mat Company Inc. Dba Wearwell (CAGE 59648) |
| Parameter | Value |
|---|---|
| NSN | 1650-00-370-4209 |
| Primary Part Number | 7800957 |
| Item Name | Coupling Half,air V |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Tennessee Mat Company Inc. Dba Wearwell |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 7800957 PRIMARY | Tennessee Mat Company Inc. Dba Wearwell (USA) |
| Reference | Meaning |
|---|---|
| 800957 | 5/9 Secondary reference Kidde-Fenwal, Llc |
NSN 1650-00-370-4209 is a Coupling Half,air V, manufactured by Tennessee Mat Company Inc. Dba Wearwell, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-370-4209 has 1 manufacturer part number on file: 7800957 (Tennessee Mat Company Inc. Dba Wearwell).
3 possible matches (shared part number, not a government interchangeability claim): 4730-00-699-9494, 4730-01-050-0661, 5985-01-615-9329. Verify interchangeability with system specifications before substitution.
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 1650-00-370-4209 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.