The Valve,air Venting,steam, cataloged under National Stock Number 4520-01-262-7679, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Market Forge Industries Inc. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-262-7679 |
| Primary Part Number | 10-7978 |
| Item Name | Valve,air Venting,steam |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Market Forge Industries Inc |
| Status | ACTIVE |
| Valve Air Return Prevention | NOT REQUIRED |
| Valve Type | QUICK AIR VENT |
| 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 |
|---|---|
| 10-7978 PRIMARY | Market Forge Industries Inc (USA) |
NSN 4520-01-262-7679 is a Valve,air Venting,steam, manufactured by Market Forge Industries Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-262-7679 has 1 manufacturer part number on file: 10-7978 (Market Forge Industries Inc).
Key specifications for 10-7978: Valve Air Return Prevention: NOT REQUIRED; Valve Type: QUICK AIR VENT; End Item Identification: MARKET FORGE CO,MODEL MT40E. 2 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.