NSN 1660-01-074-2407 · NIIN 010742407 · Part number SF25-185
Royal Engineered Composites, Inc. · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 16357
Government record, cited
NSN 1660-01-074-2407 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-074-2407. Manufacturer of record part number: SF25-185.
Also searched as1660-01-074-2407 ·
1660010742407 ·
NIIN 010742407 ·
01-074-2407 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 16357 · SF25-185
Nearby stock numbers← 1660-01-074-2286 Plug and Cap Assembly
·
1660-01-074-2727 →
Features
Bellows,pressure — FSC 1660
1 manufacturer part number on file
Manufacturer of record: Royal Engineered Composites, Inc.
Identification
NSN: 1660-01-074-2407
NIIN: 010742407
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: SF25-185
Manufacturer: Royal Engineered Composites, Inc.
General Description
The Bellows,pressure, cataloged under National Stock Number 1660-01-074-2407, 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 Royal Engineered Composites, Inc.. 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
1660-01-074-2407
Primary Part Number
SF25-185
Item Name
Bellows,pressure
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.
1660-00-001-1693
DUCT ASSEMBLY,AIR CONDITIONING-H
1660-00-001-1754
BAFFLE,AIR
1660-00-001-2491
CAGE,BYPASS VALVE
1660-00-001-2493
1660-00-001-2493 · Item name not on file
1660-00-001-2496
CONTROL BOX,ELECTRICAL-ELECTRONI
1660-00-001-2497
1660-00-001-2497 · Item name not on file
1660-00-001-4130
1660-00-001-4130 · Item name not on file
1660-00-001-4479
CONTROLLER,AIR PRESSURE,AIRCRAFT
Frequently Asked Questions
What is NSN 1660-01-074-2407?
NSN 1660-01-074-2407 is a Bellows,pressure, manufactured by Royal Engineered Composites, Inc., classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-074-2407?
NSN 1660-01-074-2407 has 1 manufacturer part number on file: SF25-185 (Royal Engineered Composites, Inc.).
What are the specifications of SF25-185?
Key specifications for SF25-185: End Item Identification: AIRCRAFT MODEL S3. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-074-2407 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 1660-01-074-2407?
NSN 1660-01-074-2407 has DEMIL Code B. 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.