The Damper,flue, cataloged under National Stock Number 4520-01-276-3577, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Interpace Corp Hart and Cooley Div. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-276-3577 |
| Primary Part Number | 22-8INCH |
| Item Name | Damper,flue |
| FSC / FSG | 4520 / 45 — No Item Name Available |
| Manufacturer | Interpace Corp Hart and Cooley Div |
| Status | ACTIVE |
| Surface Treatment | ENAMEL |
| Shape | SQUARE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4520-01-276-3577 is a Damper,flue, manufactured by Interpace Corp Hart and Cooley Div, classified under FSC 4520 (No Item Name Available). Status: active.
NSN 4520-01-276-3577 has 3 cross-referenced part numbers: 22-8INCH (Interpace Corp Hart and Cooley Div), 72391 (Alter Harry Co the Div of T E C), 13276 (Interpace Corp Hart and Cooley Div).
There are 3 known substitutes for 4520-01-276-3577: 5305-00-059-3661, 3110-00-144-8498, 5355-00-644-4175. Verify interchangeability with system specifications before substitution.
Key specifications for 22-8INCH: Surface Treatment: ENAMEL; Shape: SQUARE. 2 total characteristics are documented in the Federal Logistics Information System.