PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

29440Heater,space,electric

Adobeair Inc. · NSN 4520-01-135-8121 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-135-8121 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-135-8121. Primary manufacturer part number: 29440.
Features
  • Heater,space,electric — FSC 4520
  • Quantity: 1
  • Heating Element Type: ELECTRIC NONIMMERSION
  • Width: 9.250 INCHES NOMINAL IN
  • Heat Delivery Direction: HORIZONTAL
  • Frequency in Hertz: 60.0
  • Height: 6.250 INCHES NOMINAL IN
  • Heat Discharge Outlet Type: STATIONARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,space,electric, cataloged under National Stock Number 4520-01-135-8121, 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 Adobeair Inc.. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-135-8121
Primary Part Number29440
Item NameHeater,space,electric
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerAdobeair Inc.
StatusACTIVE
Quantity1
Heating Element TypeELECTRIC NONIMMERSION
Width9.250 INCHES NOMINAL IN
Heat Delivery DirectionHORIZONTAL
Frequency in Hertz60.0
Height6.250 INCHES NOMINAL IN
Heat Discharge Outlet TypeSTATIONARY
Heat Delivery Rate5120.0 BRITISH THERMAL UNIT
Voltage in Volts110.0
Current TypeAC
Circulated Air TypeCOOLING OR HEATED
Prime Mover TypeELECTRIC MOTOR
Current Rating in Amps13.6
Speed AdjustmentsSINGLE SPEED
Heat Outlet Quantity1
Heat Directing DeviceFIXED LOUVER
Air Circulation DevicePROPELLER FAN
Operating Control TypeTHERMOSTATIC
Surface TreatmentPAINT
PhaseSINGLE
Mounting TypeHAND CARRY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5120-00-083-2062294-40 INTERCHANGEABLE
Inserter and Remover,electrical
Amphenol Corp Div Amphenol Aerospace Operations
5133-00-228-1413 INTERCHANGEABLE
Drill,twist
3110-00-251-511129440EM INTERCHANGEABLE
Roller,bearing
Timken Co Div the Timken Company
5999-00-419-142429-440 INTERCHANGEABLE
Contact,electrical
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
5315-00-448-376572581 INTERCHANGEABLE
Pin,straight,headless
Telemechanics Inc
5935-01-301-23842944-0 INTERCHANGEABLE
Plug,tip
Fluke Electronics Corp
5950-01-361-26908509766 INTERCHANGEABLE
Coil,electrical
Honeywell International Inc. Dba Honeywell International
4320-01-391-677229440 INTERCHANGEABLE
Crankshaft,pump
Bourns Inc
5915-01-477-975629440 INTERCHANGEABLE
Filter Assembly,electrical
Creating Technology Solutions, Llc Dba Technology Research Corp Div Technology Research Corp
6530-01-703-197629440 INTERCHANGEABLE
Drape,surgical
Cardinal Health 200, Llc
Cross-Reference Index
Part NumberManufacturer
34G7258 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
72581 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
29440 PRIMARY Adobeair Inc. (USA)
42H36210 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
344-72581 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
42A72581 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
Related Parts
5120-00-083-2062INTERCHANGEABLE
INSERTER AND REMOVER,ELECTRICAL
294-40
5133-00-228-1413INTERCHANGEABLE
DRILL,TWIST
3110-00-251-5111INTERCHANGEABLE
ROLLER,BEARING
29440EM
5999-00-419-1424INTERCHANGEABLE
CONTACT,ELECTRICAL
29-440
5315-00-448-3765INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
72581
5935-01-301-2384INTERCHANGEABLE
PLUG,TIP
2944-0
5950-01-361-2690INTERCHANGEABLE
COIL,ELECTRICAL
8509766
4320-01-391-6772INTERCHANGEABLE
CRANKSHAFT,PUMP
29440
5915-01-477-9756INTERCHANGEABLE
FILTER ASSEMBLY,ELECTRICAL
29440
6530-01-703-1976INTERCHANGEABLE
DRAPE,SURGICAL
29440

Frequently Asked Questions

What is NSN 4520-01-135-8121?

NSN 4520-01-135-8121 is a Heater,space,electric, manufactured by Adobeair Inc., classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-135-8121?

NSN 4520-01-135-8121 has 6 cross-referenced part numbers: 34G7258 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), 72581 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), 29440 (Adobeair Inc.), 42H36210 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), 344-72581 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial) and 1 more.

What NSN replaces 4520-01-135-8121?

There are 10 known substitutes for 4520-01-135-8121: 5120-00-083-2062, 5133-00-228-1413, 3110-00-251-5111 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 29440?

Key specifications for 29440: Quantity: 1; Heating Element Type: ELECTRIC NONIMMERSION; Width: 9.250 INCHES NOMINAL IN; Heat Delivery Direction: HORIZONTAL. 22 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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