The Damper,flue, cataloged under National Stock Number 4520-01-227-3050, 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 Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-227-3050 |
| Primary Part Number | 17691VM |
| Item Name | Damper,flue |
| FSC / FSG | 4520 / 45 — No Item Name Available |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION |
| Shape | RECTANGULAR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 17691VM | Naval Inventory Control Point Mechanicsburg (USA) |
| DWG NR 17691 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 17691 | Mestek, Inc. Dba American Warming & Ventilating Division Div American Warming and Ventilating (USA) |
NSN 4520-01-227-3050 is a Damper,flue, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4520 (No Item Name Available). Status: active.
NSN 4520-01-227-3050 has 3 cross-referenced part numbers: 17691VM (Naval Inventory Control Point Mechanicsburg), DWG NR 17691 (Zf Industrieantriebe Witten Gmbh), 17691 (Mestek, Inc. Dba American Warming & Ventilating Division Div American Warming and Ventilating).
There are 6 known substitutes for 4520-01-227-3050: 3030-00-103-2303, 3455-00-231-8911, 3030-01-180-9259 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 17691VM: Overall Width: 20.000 INCHES NOMINAL IN; Reference Number Differentiating Characteristics: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION; Shape: RECTANGULAR. 3 total characteristics are documented in the Federal Logistics Information System.