NSN 4520-00-132-5604 · NIIN 001325604 · Part number M22594-24M
Sae International Dba Sae International · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 0U583
Government record, cited
NSN 4520-00-132-5604 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-132-5604. Manufacturer of record part number: M22594-24M.
Also searched as4520-00-132-5604 ·
4520001325604 ·
NIIN 001325604 ·
00-132-5604 ·
FSC 4520 Space and Water Heating Equipment · CAGE 0U583 · M22594-24M · NSTDS24M · S3802-66970-24M · MIL-PRF-22594
Nearby stock numbers← 4520-00-132-5603 Heater, Ventilation, Duct Type
·
4520-00-132-5605 Heater, Ventilation, Duct Type →
Features
Heater,ventilation,duct Type — FSC 4520
Heat Medium Type: HOT WATER OR STEAM
Inclosure Material: STEEL
Duct Height: 6.250 INCHES IN
Heat Outlet Quantity: 1
Duct Width: 9.000 INCHES IN
Heat Discharge Outlet Type: STATIONARY
Heat Delivery Direction: HORIZONTAL
Identification
NSN: 4520-00-132-5604
NIIN: 001325604
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: M22594-24M
Manufacturer: Sae International Dba Sae International
General Description
The Heater,ventilation,duct Type, cataloged under National Stock Number 4520-00-132-5604, 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 Sae International Dba Sae International. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 12 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4520-00-132-5604
Primary Part Number
M22594-24M
Item Name
Heater,ventilation,duct Type
FSC / FSG
4520 / 45 — Space and Water Heating Equipment
Manufacturer
Sae International Dba Sae International
Status
ACTIVE
Heat Medium Type
HOT WATER OR STEAM
Inclosure Material
STEEL
Duct Height
6.250 INCHES IN
Heat Outlet Quantity
1
Duct Width
9.000 INCHES IN
Heat Discharge Outlet Type
STATIONARY
Heat Delivery Direction
HORIZONTAL
Height
9.250 INCHES NOMINAL IN
Surface Treatment
ZINC
Maximum Pressure Limit
35.0 POUNDS PER SQUARE INCH GAGE LBS
Depth
5.000 INCHES NOMINAL IN
Width
16.375 INCHES NOMINAL IN
Heat Directing Device
RADIAL DIFFUSER-VERTICAL VANES
Mounting Type
VENTILATION DUCT
Heating Element Type
HOT WATER COIL OR STEAM COIL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items12
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4520-01-150-0843POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
Possible match (shared part number)
4520-01-150-5403POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
Possible match (shared part number)
4520-01-151-3295106-056816-014POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
Possible match (shared part number)Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
4520-01-151-3296POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
Possible match (shared part number)
4520-01-172-0523106-056816-042POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
Possible match (shared part number)Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
C/1Advisory reference — outside the item-of-supply concept
Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil
MIL-H-16235
5/9Secondary reference
U.S. Government activity
Related Parts
4520-01-150-0843POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
4520-01-150-5403POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
4520-01-151-3295POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
106-056816-014
4520-01-151-3296POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
4520-01-172-0523POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
106-056816-042
4520-01-174-1118POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
4520-01-179-2444POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
4520-01-184-4070POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
4520-01-191-3973POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
4520-01-192-1442POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
4520-01-195-4315POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
4520-01-200-0680POSSIBLE MATCH
HEATER,DUCT TYPE,STATIONARY
Frequently Asked Questions
What is NSN 4520-00-132-5604?
NSN 4520-00-132-5604 is a Heater,ventilation,duct Type, manufactured by Sae International Dba Sae International, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-00-132-5604?
NSN 4520-00-132-5604 has 1 manufacturer part number on file: M22594-24M (Sae International Dba Sae International).
What NSN replaces 4520-00-132-5604?
12 possible matches (shared part number, not a government interchangeability claim): 4520-01-150-0843, 4520-01-150-5403, 4520-01-151-3295. Verify interchangeability with system specifications before substitution.
What are the specifications of M22594-24M?
Key specifications for M22594-24M: Heat Medium Type: HOT WATER OR STEAM; Inclosure Material: STEEL; Duct Height: 6.250 INCHES IN; Heat Outlet Quantity: 1. 15 specifications are documented in the U.S. Government catalog.
Is NSN 4520-00-132-5604 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.