Heat Exchanger, Air to Water, Airc1660-01-234-9149
NSN 1660-01-234-9149 · NIIN 012349149 · Part number 30S4C-28LL
Graham Corp · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 1LCX3
Government record, cited
NSN 1660-01-234-9149 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-234-9149. Manufacturer of record part number: 30S4C-28LL.
Also searched as1660-01-234-9149 ·
1660012349149 ·
NIIN 012349149 ·
01-234-9149 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 1LCX3 · 30S4C-28LL
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 30S4C-28LL
Manufacturer: Graham Corp
General Description
The Heat Exchanger,air to Water,airc, cataloged under National Stock Number 1660-01-234-9149, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Graham Corp. 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
Parameter
Value
NSN
1660-01-234-9149
Primary Part Number
30S4C-28LL
Item Name
Heat Exchanger,air to Water,airc
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Other items in FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1660-00-006-4472
FLANGE,VALVE BODY
1660-00-009-5646
ADAPTER ASSEMBLY,BELLOWS
1660-00-019-8389
1660-00-019-8389 · Item name not on file
1660-00-019-8399
1660-00-019-8399 · Item name not on file
1660-00-031-5285
1660-00-031-5285 · Item name not on file
1660-00-302-4390
PISTON,REGULATING V
1660-00-441-0575
PISTON
1660-01-601-0729
ETHERNET SWITCH
Frequently Asked Questions
What is NSN 1660-01-234-9149?
NSN 1660-01-234-9149 is a Heat Exchanger,air to Water,airc, manufactured by Graham Corp, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-234-9149?
NSN 1660-01-234-9149 has 1 manufacturer part number on file: 30S4C-28LL (Graham Corp).
What are the specifications of 30S4C-28LL?
Key specifications for 30S4C-28LL: End Item Identification: AN/SQQ-89; B-1B AIRCRAFT. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-234-9149 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.
What is the DEMIL code for NSN 1660-01-234-9149?
NSN 1660-01-234-9149 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.