NSN 4520-01-153-0773 · NIIN 011530773 · Part number B4004690-1
Department of the Army Hq United States Army Communications Research and Development Command · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 56996
Government record, cited
NSN 4520-01-153-0773 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-153-0773. Manufacturer of record part number: B4004690-1.
Also searched as4520-01-153-0773 ·
4520011530773 ·
NIIN 011530773 ·
01-153-0773 ·
FSC 4520 Space and Water Heating Equipment · CAGE 56996 · B4004690-1 · B4004690
Nearby stock numbers← 4520-01-152-8330 Unit Heater, Air Circulating, Stea
·
4520-01-153-1378 Heater, Duct Type, Stationary →
Features
Humidist St — FSC 4520
2 manufacturer part numbers on file
Manufacturer of record: Department of the Army Hq United States Army Communications Research and Development Command
Identification
NSN: 4520-01-153-0773
NIIN: 011530773
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: B4004690-1
Manufacturer: Department of the Army Hq United States Army Communications Research and Development Command
General Description
The Humidist St, cataloged under National Stock Number 4520-01-153-0773, 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 Department of the Army Hq United States Army Communications Research and Development Command. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Humidist St
FSC / FSG
4520 — Space and Water Heating Equipment (FSG 45)
Manufacturers
Department of the Army Hq United States Army Communications Research and Development Command (CAGE 56996)
Technical Specifications
Parameter
Value
NSN
4520-01-153-0773
Primary Part Number
B4004690-1
Item Name
Humidist St
FSC / FSG
4520 / 45 — Space and Water Heating Equipment
Manufacturer
Department of the Army Hq United States Army Communications Research and Development Command
Department of the Army Hq United States Army Communications Research and Development Command (USA)
No interchangeability data on file.
Other items in FSC 4520 — Space and Water Heating Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4520-00-000-0098
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-000-0099
4520-00-000-0099 · Item name not on file
4520-00-001-1240
4520-00-001-1240 · Item name not on file
4520-00-001-3518
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-3519
HEATING ELEMENT,ELECTRICAL,IMMER
4520-00-001-6052
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-6298
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-7726
HEATER,DUCT TYPE,PORTABLE
Frequently Asked Questions
What is NSN 4520-01-153-0773?
NSN 4520-01-153-0773 is a Humidist St, manufactured by Department of the Army Hq United States Army Communications Research and Development Command, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-153-0773?
NSN 4520-01-153-0773 has 2 manufacturer part numbers on file: B4004690-1 (Department of the Army Hq United States Army Communications Research and Development Command), B4004690 (Department of the Army Hq United States Army Communications Research and Development Command).
Is NSN 4520-01-153-0773 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.