The Terminal,ventilation Duct, cataloged under National Stock Number 5670-01-685-6494, is classified within Federal Supply Class 5670 (Building Components, Prefabricated) of the Construction and Building Materials group. The manufacturer of record is Gaf Corp. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5670-01-685-6494 |
| Primary Part Number | WVA4 |
| Item Name | Terminal,ventilation Duct |
| FSC / FSG | 5670 / 56 — Building Components, Prefabricated |
| Manufacturer | Gaf Corp |
| Status | ACTIVE |
| Style Designator | STRAIGHT |
| Damper | INCLUDED |
| Material | ALUMINUM |
| Diameter | 4.0 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5670-01-685-6494 is a Terminal,ventilation Duct, manufactured by Gaf Corp, classified under FSC 5670, Building Components, Prefabricated. Status: active.
NSN 5670-01-685-6494 has 2 manufacturer part numbers on file: WVA4 (Gaf Corp), 100396975 (Home Depot).
Key specifications for WVA4: Style Designator: STRAIGHT; Damper: INCLUDED; Special Features: USE FOR 3 INCH OR 4 INCH ROUND DUCT; 4 INCH TO 3 INCH TRANSITION INCLUDED; FLANGE SIZE 6 INCHES X 6 INCHES IN; Material: ALUMINUM. 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.