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NSN 4520-01-539-9271Government record, cited

Pipe, Air Conditioning-Heating4520-01-539-9271

NSN 4520-01-539-9271 · NIIN 015399271 · Part number 12443750
U S Army Tank Automotive Command Amsta-Im-Mm · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 19207
Government record, cited
NSN 4520-01-539-9271 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-539-9271. Manufacturer of record part number: 12443750.
Also searched as  4520-01-539-9271 · 4520015399271 · NIIN 015399271 · 01-539-9271 · FSC 4520 Space and Water Heating Equipment · CAGE 19207 · 12443750
Nearby stock numbers  ·
Features
  • Pipe,air Conditioning-Heating — FSC 4520
  • Cross-Sectional Width: 7.500 INCHES NOMINAL IN
  • Shape: RECTANGULAR
  • Cross-Sectional Length: 24.250 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY
  • Material Thickness: 0.0630 INCHES IN
  • 1 manufacturer part number on file
  • Manufacturer of record: U S Army Tank Automotive Command Amsta-Im-Mm
Identification
  • NSN: 4520-01-539-9271
  • NIIN: 015399271
  • FSC: 4520 — Space and Water Heating Equipment
  • FSG: 45 — Plumbing, Heating, and Waste Disposal
  • Primary part number: 12443750
  • Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description

The Pipe,air Conditioning-Heating, cataloged under National Stock Number 4520-01-539-9271, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 5 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-539-9271
Primary Part Number12443750
Item NamePipe,air Conditioning-Heating
FSC / FSG4520 / 45 — Space and Water Heating Equipment
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Cross-Sectional Width7.500 INCHES NOMINAL IN
ShapeRECTANGULAR
Cross-Sectional Length24.250 INCHES NOMINAL IN
MaterialALUMINUM ALLOY
Material Thickness0.0630 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
12443750 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (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 4520-01-539-9271?

NSN 4520-01-539-9271 is a Pipe,air Conditioning-Heating, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-01-539-9271?

NSN 4520-01-539-9271 has 1 manufacturer part number on file: 12443750 (U S Army Tank Automotive Command Amsta-Im-Mm).

What are the specifications of 12443750?

Key specifications for 12443750: Cross-Sectional Width: 7.500 INCHES NOMINAL IN; Shape: RECTANGULAR; Cross-Sectional Length: 24.250 INCHES NOMINAL IN; Special Features: MATERIAL PER ASTM 8209, GRADE 5052, TYPE H32, SHEET, 0.063 IN. THK; FINISH: PROTECTIVE IAW 12420325 METHOD 15 IN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4520-01-539-9271 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.
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