The Heater,ventilation,duct Type, cataloged under National Stock Number 4520-01-579-1681, 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 Hdt Expeditionary Systems Inc. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-579-1681 |
| Primary Part Number | 168800 |
| Item Name | Heater,ventilation,duct Type |
| FSC / FSG | 4520 / 45 — No Item Name Available |
| Manufacturer | Hdt Expeditionary Systems Inc |
| Status | ACTIVE |
| Width | 24.250 INCHES NOMINAL IN |
| Height | 21.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4520-01-579-1681 is a Heater,ventilation,duct Type, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 4520 (No Item Name Available). Status: active.
NSN 4520-01-579-1681 has 3 cross-referenced part numbers: UH-68G1-1 (Hdt Expeditionary Systems Inc), 168800 (Hdt Expeditionary Systems Inc), 12443863 (U S Army Tank Automotive Command Amsta-Im-Mm).
There is 1 known substitute for 4520-01-579-1681: 4240-01-268-0545. Verify interchangeability with system specifications before substitution.
Key specifications for 168800: Part Name Assigned by Controlling Agency: HEATER ASSEMBLY; Width: 24.250 INCHES NOMINAL IN; Height: 21.250 INCHES NOMINAL IN; End Item Identification: 2320-01-552-7781, TRUCK, VAN. 4 total characteristics are documented in the Federal Logistics Information System.