The Damper,flue, cataloged under National Stock Number 4520-01-287-7942, 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 Specific Systems, Llc Div Specific Systems. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-287-7942 |
| Primary Part Number | T-1471-2B DASN0100 |
| Item Name | Damper,flue |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Specific Systems, Llc Div Specific Systems |
| Status | ACTIVE |
| Unable to Decode | UNABLE TO DECODE |
| Mounting Method | SCREW |
| Unable to Decode | UNABLE TO DECODE |
| Sheet Metal Gage Size | 16 |
| Unable to Decode | UNABLE TO DECODE |
| Length | 45.000 INCHES IN |
| Unable to Decode | UNABLE TO DECODE |
| Width | 45.000 INCHES IN |
| Surface Treatment | ZINC |
| Unable to Decode | UNABLE TO DECODE |
| 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 |
|---|---|
| T-1471-2B DASN0100 PRIMARY | Specific Systems, Llc Div Specific Systems (USA) |
| Reference | Meaning |
|---|---|
| T-1471-2B DASN0 0100 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 4520-01-287-7942 is a Damper,flue, manufactured by Specific Systems, Llc Div Specific Systems, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-287-7942 has 1 manufacturer part number on file: T-1471-2B DASN0100 (Specific Systems, Llc Div Specific Systems).
Key specifications for T-1471-2B DASN0100: Unable to Decode: UNABLE TO DECODE; Mounting Method: SCREW; Unable to Decode: UNABLE TO DECODE; Sheet Metal Gage Size: 16. 10 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.