The Heater,duct Type,portable, cataloged under National Stock Number 4520-01-310-0690, 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 1 verified specification, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-310-0690 |
| Primary Part Number | 74000-3 |
| Item Name | Heater,duct Type,portable |
| FSC / FSG | 4520 / 45 — No Item Name Available |
| Manufacturer | Hdt Expeditionary Systems Inc |
| Status | ACTIVE |
| Reference Data and Literature | AF TO. 35E7-6-9-21 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4520-01-310-0690 is a Heater,duct Type,portable, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 4520 (No Item Name Available). Status: active.
NSN 4520-01-310-0690 has 3 cross-referenced part numbers: 74000-3 (Hdt Expeditionary Systems Inc), 74000-3 (Keco Industries, Inc.), 74000-3 (Drs Environmental Systems Inc).
There are 2 known substitutes for 4520-01-310-0690: 6515-00-754-0426, 4820-01-395-3447. Verify interchangeability with system specifications before substitution.
Key specifications for 74000-3: Reference Data and Literature: AF TO. 35E7-6-9-21. 1 total characteristics are documented in the Federal Logistics Information System.