PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12010-101Heater,duct Type,stationary

Hdt Expeditionary Systems Inc · NSN 4520-01-149-4959 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-149-4959 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-149-4959. Primary manufacturer part number: 12010-101.
Features
  • Heater,duct Type,stationary — FSC 4520
  • Mounting Type: VENTILATION DUCT
  • Heating Element Type: ELECTRIC NONIMMERSION
  • Heat Delivery Direction: HORIZONTAL
  • Heat Medium Type: AIR
  • 4 verified cross-references
  • Primary manufacturer: Hdt Expeditionary Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,duct Type,stationary, cataloged under National Stock Number 4520-01-149-4959, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-149-4959
Primary Part Number12010-101
Item NameHeater,duct Type,stationary
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusACTIVE
Mounting TypeVENTILATION DUCT
Heating Element TypeELECTRIC NONIMMERSION
Heat Delivery DirectionHORIZONTAL
Heat Medium TypeAIR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6520-00-209-308512-010 INTERCHANGEABLE
Jet Assembly,dental Operating Un
A-Dec Inc Dba a-Dec
4730-00-287-1537SAE J512 6 060110B INTERCHANGEABLE
Nut,tube Coupling
Sae International Dba Sae International
2920-00-308-821112010 INTERCHANGEABLE
Ring
Goodrich Corporation Dba Goodrich Corp
5815-00-602-2789SM-C-426568 INTERCHANGEABLE
Bar,t,teletypewriter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5930-00-689-4569B507700203 INTERCHANGEABLE
Switch,rotary
Kearfott Corporation Div Guidance and Navigation Division
5355-00-720-5343 INTERCHANGEABLE
Dial,control
4330-00-737-0225CB22-2-50 INTERCHANGEABLE
Filter Element,fluid
Facet (oklahoma) Llc
5120-00-965-06033001X INTERCHANGEABLE
Flint Tip,friction Igniter
Fuller G C Mfg Co Inc
4820-01-051-08551-1-4IN TYPE D53 DWG 12010 INTERCHANGEABLE
Valve,globe
Imi Cash Valve Inc
4820-01-077-1187284795N INTERCHANGEABLE
Valve,drain Reservoir
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
Cross-Reference Index
Part NumberManufacturer
12010-101 Hdt Expeditionary Systems Inc (USA)
12010-101 Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA)
12010-101 Drs Environmental Systems Inc (USA)
12010 Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA)
Related Parts
6520-00-209-3085INTERCHANGEABLE
JET ASSEMBLY,DENTAL OPERATING UN
12-010
4730-00-287-1537INTERCHANGEABLE
NUT,TUBE COUPLING
SAE J512 6 060110B
2920-00-308-8211INTERCHANGEABLE
RING
12010
5815-00-602-2789INTERCHANGEABLE
BAR,T,TELETYPEWRITER
SM-C-426568
5930-00-689-4569INTERCHANGEABLE
SWITCH,ROTARY
B507700203
5355-00-720-5343INTERCHANGEABLE
DIAL,CONTROL
4330-00-737-0225INTERCHANGEABLE
FILTER ELEMENT,FLUID
CB22-2-50
5120-00-965-0603INTERCHANGEABLE
FLINT TIP,FRICTION IGNITER
3001X
4820-01-051-0855INTERCHANGEABLE
VALVE,GLOBE
1-1-4IN TYPE D53 DWG 12010
4820-01-077-1187INTERCHANGEABLE
VALVE,DRAIN RESERVOIR
284795N
8030-01-159-4374INTERCHANGEABLE
SEALING COMPOUND
5330-01-185-8523INTERCHANGEABLE
SEAL,PLAIN ENCASED

Frequently Asked Questions

What is NSN 4520-01-149-4959?

NSN 4520-01-149-4959 is a Heater,duct Type,stationary, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-149-4959?

NSN 4520-01-149-4959 has 4 cross-referenced part numbers: 12010-101 (Hdt Expeditionary Systems Inc), 12010-101 (Engineered Air Systems, Inc. Dba Drs Sustainment Systems), 12010-101 (Drs Environmental Systems Inc), 12010 (Engineered Air Systems, Inc. Dba Drs Sustainment Systems).

What NSN replaces 4520-01-149-4959?

There are 12 known substitutes for 4520-01-149-4959: 6520-00-209-3085, 4730-00-287-1537, 2920-00-308-8211 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12010-101?

Key specifications for 12010-101: Mounting Type: VENTILATION DUCT; Heating Element Type: ELECTRIC NONIMMERSION; Heat Delivery Direction: HORIZONTAL; Heat Medium Type: AIR. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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