FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories
Government record, cited
Also searched as1660-01-435-6071 ·
1660014356071 ·
NIIN 014356071 ·
01-435-6071 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Nearby stock numbers← 1660-01-435-6070 Duct Assembly, Air Conditioning-H
·
1660-01-435-6072 Duct Assembly, Air Conditioning-H →
Features
Duct Assembly,air Conditioning-H — FSC 1660
Material Document and Classification: MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE
Aircraft Location: FLOW CONTROL VALVE,UPSTREAM,FLIGHT DECK
Material: STEEL COMP 321
Aircraft Mission Design Series: C130-J
Identification
NSN: 1660-01-435-6071
NIIN: 014356071
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
General Description
The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-435-6071, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1660-01-435-6071
Item Name
Duct Assembly,air Conditioning-H
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Status
ACTIVE
Material Document and Classification
MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE
Aircraft Location
FLOW CONTROL VALVE,UPSTREAM,FLIGHT DECK
Material
STEEL COMP 321
Aircraft Mission Design Series
C130-J
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
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
3311137-15
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
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 1660-01-435-6071?
NSN 1660-01-435-6071 is a Duct Assembly,air Conditioning-H, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What are the specifications of 1660-01-435-6071?
Key specifications for 1660-01-435-6071: Material Document and Classification: MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE; Aircraft Location: FLOW CONTROL VALVE,UPSTREAM,FLIGHT DECK; Material: STEEL COMP 321; Aircraft Mission Design Series: C130-J. 4 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-435-6071 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.