The Terminal,ventilation Duct, cataloged under National Stock Number 4520-01-436-8792, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-436-8792 |
| Item Name | Terminal,ventilation Duct |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Status | ACTIVE |
| Style Designator | FIXED 90 DEG ANGLE |
| Damper | NOT INCLUDED |
| End Attachment Diameter | 2.990 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1260036 | D/9 Drawing number reference only U.S. Government activity |
| 1260036-101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4520-01-436-8792 is a Terminal,ventilation Duct, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
Key specifications for 4520-01-436-8792: Overall Height: 2.010 INCHES NOMINAL IN; Style Designator: FIXED 90 DEG ANGLE; Overall Width: 6.500 INCHES NOMINAL IN; Damper: NOT INCLUDED. 3 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.
NSN 4520-01-436-8792 has DEMIL Code Q. 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.