The Sha Door Storage, cataloged under National Stock Number 4520-01-469-5585, 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 International Thermal Research Ltd Dba Itr. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-469-5585 |
| Primary Part Number | 106331 |
| Item Name | Sha Door Storage |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | International Thermal Research Ltd Dba Itr |
| Status | ACTIVE |
| General Characteristics Item Description | SPECIAL PROJECT SPACE HEATER ARCTIC (SHA) |
| 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 |
|---|---|
| 106331 | International Thermal Research Ltd Dba Itr (CAN) |
| Reference | Meaning |
|---|---|
| 106331 | 3/2 Design control — primary reference U.S. Government activity |
| MIL-PRF-44494 | 4/1 Identification reference U.S. Government activity |
NSN 4520-01-469-5585 is a Sha Door Storage, manufactured by International Thermal Research Ltd Dba Itr, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-469-5585 has 1 manufacturer part number on file: 106331 (International Thermal Research Ltd Dba Itr).
Key specifications for 106331: General Characteristics Item Description: SPECIAL PROJECT SPACE HEATER ARCTIC (SHA). 1 specification is 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.