The Blower,hot Air, cataloged under National Stock Number 4520-00-944-5765, 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 Hal Crumly, Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Blower,hot Air |
| FSC / FSG | 4520 — Space and Water Heating Equipment (FSG 45) |
| Manufacturers | Hal Crumly, Inc (CAGE 01500) |
| Parameter | Value |
|---|---|
| NSN | 4520-00-944-5765 |
| Primary Part Number | MMEP12B |
| Item Name | Blower,hot Air |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Hal Crumly, Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | V |
| Part Number | Manufacturer |
|---|---|
| MMEP12B PRIMARY | Hal Crumly, Inc (USA) |
NSN 4520-00-944-5765 is a Blower,hot Air, manufactured by Hal Crumly, Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-00-944-5765 has 1 manufacturer part number on file: MMEP12B (Hal Crumly, Inc).
1 possible match (shared part number, not a government interchangeability claim): 1560-01-542-3270. Verify interchangeability with system specifications before substitution.
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.