The Damper,flue, cataloged under National Stock Number 4520-01-511-1216, 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 Itw Food Equipment Group Llc Dba Gaylord Industries. Government technical data includes 5 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-511-1216 |
| Primary Part Number | 18826-7H-21W-L-AL |
| Item Name | Damper,flue |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Itw Food Equipment Group Llc Dba Gaylord Industries |
| Status | ACTIVE |
| Mounting Method | INSERTED CENTER SHAFT |
| Supplementary Features | CONTROL IS ON LEFT SIDE |
| Shape | RECTANGULAR |
| Material | STEEL CORROSION RESISTING OR ALUMINUM |
| Operation Method | AUTOMATIC |
| 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 |
|---|---|
| NSD-61-7H-21W-16L-L-440V-ALUM | Itw Food Equipment Group Llc Dba Gaylord Industries (USA) |
| 18826-7H-21W-L-AL PRIMARY | Itw Food Equipment Group Llc Dba Gaylord Industries (USA) |
NSN 4520-01-511-1216 is a Damper,flue, manufactured by Itw Food Equipment Group Llc Dba Gaylord Industries, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-511-1216 has 2 manufacturer part numbers on file: NSD-61-7H-21W-16L-L-440V-ALUM (Itw Food Equipment Group Llc Dba Gaylord Industries), 18826-7H-21W-L-AL (Itw Food Equipment Group Llc Dba Gaylord Industries).
Key specifications for 18826-7H-21W-L-AL: Overall Height: 7.000 INCHES NOMINAL IN; Mounting Method: INSERTED CENTER SHAFT; Supplementary Features: CONTROL IS ON LEFT SIDE; Shape: RECTANGULAR. 5 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.