PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12552Heat Exchanger,air to Air,aircra

Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems · NSN 1660-01-500-4177 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-01-500-4177 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-500-4177. Primary manufacturer part number: 12552.
Features
  • Heat Exchanger,air to Air,aircra — FSC 1660
  • 2 verified cross-references
  • Primary manufacturer: Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heat Exchanger,air to Air,aircra, cataloged under National Stock Number 1660-01-500-4177, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-01-500-4177
Primary Part Number12552
Item NameHeat Exchanger,air to Air,aircra
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerGse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5133-00-227-5981 INTERCHANGEABLE
Drill,twist
3110-00-558-09362000-1263 INTERCHANGEABLE
Bearing,roller,cylindrical
American Hofmann Corp
5330-00-810-9773 INTERCHANGEABLE
Seal,plain Encased
5961-01-080-368712552 INTERCHANGEABLE
Transistor
Engineered Magnetics, Inc. Dba Engineered Magnetics
4430-01-377-34501255200 INTERCHANGEABLE
Shelf,oven,thermal Drying
Phoenix Products Llc Dba Phoenix Lighting Products Llc
7310-01-432-9773 INTERCHANGEABLE
Link,conv Belt
2590-01-579-8670 INTERCHANGEABLE
Bracket,vehicular Components
Cross-Reference Index
Part NumberManufacturer
12552 Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems (USA)
12552 Itw Gse Inc. (USA)
Related Parts
5133-00-227-5981INTERCHANGEABLE
DRILL,TWIST
3110-00-558-0936INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
2000-1263
5330-00-810-9773INTERCHANGEABLE
SEAL,PLAIN ENCASED
5961-01-080-3687INTERCHANGEABLE
TRANSISTOR
12552
4430-01-377-3450INTERCHANGEABLE
SHELF,OVEN,THERMAL DRYING
1255200
7310-01-432-9773INTERCHANGEABLE
LINK,CONV BELT
2590-01-579-8670INTERCHANGEABLE
BRACKET,VEHICULAR COMPONENTS

Frequently Asked Questions

What is NSN 1660-01-500-4177?

NSN 1660-01-500-4177 is a Heat Exchanger,air to Air,aircra, manufactured by Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-01-500-4177?

NSN 1660-01-500-4177 has 2 cross-referenced part numbers: 12552 (Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems), 12552 (Itw Gse Inc.).

What NSN replaces 1660-01-500-4177?

There are 7 known substitutes for 1660-01-500-4177: 5133-00-227-5981, 3110-00-558-0936, 5330-00-810-9773 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12552?

Key specifications for 12552: End Item Identification: F/A-22 RAPTOR. 1 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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