1. Home /
  2. NSN Parts Catalog /
  3. Plumbing, Heating, and Waste Disposal Equipment /
  4. Space and Water Heating Equipment /
  5. 4520-01-179-2444

4520-01-179-2444

Stationary Duct Type Heater

NSN
4520-01-179-2444
NIIN
01-179-2444
Description
Stationary Duct Type Heater
DEMIL
DEMIL/MLI
INC
17014
Assigment Date
Wed, May 16, 1984
Schedule B Code
7322900000
Current Rating In Amps
5.02
Current Type
ac
Depth
6.000 inches nominal
Duct Height
3.250 inches
Duct Width
9.000 inches
Frequency In Hertz
50.0 or 60.0
Heat Delivery Rate
3412.0 british thermal unit
Heat Medium Type
air
Heating Element Type
electric nonimmersion
Height
6.250 inches nominal
Inclosure Material
steel corrosion resisting
Phase
three
Mounting Type
ventilation duct
Nondefinitive Spec/Std Data
22eh size and l type
Operating Control Type
thermostatic
Special Features
non-magnetic; heater equipped with manual reset,capillary bulb hi-limit thermostat set to open at 350deg f and close at 190deg f
Voltage In Volts
115.0
Width
16.000 inches nominal

Material and Special Handling

Hazardous material, precious metals, criticality, environment, and electrostatic discharge indicators.

HMIC
HAZMAT (Hazardous Material)
N
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
PMIC
Precious Metals
A
Item does not contain precious metal.
CRITL
Criticality Code
X
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

MILSPEC

Spec. Type Spec. Color Gloss Size
Specification/standard Data MIL-PRF-22594

Manufacturers and Part Numbers

Part Number Brand
106-073686-007 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
83-0331 Valad Electric Heating Corp.
EH22L Valad Electric Heating Corp.
M22594-22L Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-H-22594 TYPE L SIZE 22EH Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
TFZ-22L Indeeco Llc Dba Indeeco
TFZ-22L-NM Indeeco Llc Dba Indeeco

Major Organizational Entities (MOE)

Entity MOE Code MOE Rule PICA DSOR
Department of the Navy DN N9BZ GX

Packaging and Dimensions

PICA SICA Package Size Package Weight Part Weight Part Dimensions
P 0000 X 0000 X 0000 0014.0 .
PICA SICA Container OPI SPI No. SPI Rev.
P D3 O
PICA SICA SPC Mkg. LVL A LVL B LVL C
P 00 E H
PICA SICA CUSH MOP CATEG. PRESS MAT
P ZZ 10 60ZZ ZZ
PICA SICA WRAP MAT ICQ THK TOS
P ZZ AAA C B
Packaging Code Definitions
LVL_A: E
Packing shall be accomplished to meet the performance test requirements of astm-d4169, distribution cycle 18, assurance level 1.
LVL_B: H
Packing shall be accomplished using boxes fabricated in accordance with astm-d5118, class weather-resistant.
OPI: O
Options can be exercised as to specific method of preservation or dod approved packaging materials to be used. However, basic preservation method shall be retained, supplemental data shall be complied with, and unit package dimensions shall not be increased by more than one inch. Equal or better protection shall be given the item and there shall be no increase in the package cost.
SPC_MKG: 00
No special marking.
MOP: 10
Physical protection.
CUSH_DUN: ZZ
Special requirements. See specific instructions or drawings provided.
PRES_MAT: ZZ
Special requirement. See specific instructions or drawings provided.
Export Restrictions
  • Any part(s) quoted or sold by MilSpec.parts and re-sold (to a third party) CANNOT be sold to a USA embargoed country, company, entity, or person(s). Depending on the ECCN, these commodities may require export license or exception.

  • Diversion contrary to U.S. law is prohibited. Unless otherwise noted, this sale, order or quote may include Munitions List Items (MLI) or Commerce Controlled List Items (CCLI). MLI/CCLI property is controlled by the US Government and in many cases cannot be transferred (exported, sold or given) to a foreign country, a non-US Citizen/National or a non- Permanent US Resident without a valid State/Commerce Department export authorization. It is the responsibility of (the Purchaser) to determine what the applicable requirements may be, to obtain all necessary authorizations, licenses or approvals and are subject to both review and acceptance by MilSpec.parts.

  • The use, disposition, export and re-export of the property covered or included in this sale, order or quote is subject to the provisions of law referenced in End-Use Certificate DLA form 1822, DEC 2001, including, but not limited to, the Arms Export Control Act (22 USC 2751 et seq.); Export Administration Act of 1979 (50 USC App. 2401 et seq.) as contained under Executive Order 12924; International Traffic in Arms Regulations (22 CFR 120 et seq.); Export Administration Regulations (15 CFR 730 et seq.); Foreign Assets Control Regulations (31 CFR 500 et seq.) and the Espionage Act (18 USC 793 et seq.)

4730-00-275-9510
4730-00-275-9510

Tube Coupling Nut Assembly

4730-00-275-1416
4730-00-275-1416

Tube Coupling Nut Assembly

4730-00-231-3964
4730-00-231-3964

Pipe to Tube Elbow

4730-00-279-2692
4730-00-279-2692

Flexible Tube Coupling Assembly

4730-00-231-3964
4730-00-231-3964

Pipe to Tube Elbow

Price Quote

Our Guarantee
  • ISO9001 / AS9100
  • On-Time Delivery Record
  • Counterfeit Parts Prevention System
  • ASA (Aviation Suppliers Association) Member

Similar MILSPEC

4520-01-200-0680
MIL-PRF-22594 Stationary Duct Type Heater
4520-00-132-5604
MIL-PRF-22594 Duct Type Ventilation Heater
4520-01-088-4440
MIL-PRF-22594 Stationary Duct Type Heater
4520-01-150-0843
MIL-PRF-22594 Stationary Duct Type Heater
4520-01-150-5403
MIL-PRF-22594 Stationary Duct Type Heater

NSN Inventory Stock

5325-01-114-1507 Screw Thread Insert
06/10/2026 08:06 AM EDT
Stock: 327
5961-01-012-6688 Transistor
06/10/2026 08:06 AM EDT
Stock: 13
1610-01-096-7677 Aircraft Propeller
06/10/2026 08:06 AM EDT
Stock: 4
2620-01-168-0164 Aircraft Pneumatic Tire
06/10/2026 08:06 AM EDT
Stock: 76
5320-00-952-4160 Blind Rivet
06/10/2026 08:06 AM EDT
Stock: 636
1005-00-200-5800 Helical Spring
06/10/2026 08:06 AM EDT
Stock: 3269
5640-01-624-6748 The Insulation Felt
06/10/2026 08:06 AM EDT
Stock: 2
9320-01-340-3644 Solid Rubber Sheet
06/10/2026 08:06 AM EDT
Stock: 22
5905-01-176-7349 Film Fixed Resistor
06/10/2026 08:06 AM EDT
Stock: 818