NSN 1660-01-050-1088 · NIIN 010501088 · Part number 4-300-300-DCJ
Bellofram Corporation · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 01170
Government record, cited
NSN 1660-01-050-1088 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-050-1088. Manufacturer of record part number: 4-300-300-DCJ.
Also searched as1660-01-050-1088 ·
1660010501088 ·
NIIN 010501088 ·
01-050-1088 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 01170 · 4-300-300-DCJ · 37274641-001
Nearby stock numbers← 1660-01-050-0772 Hose Assembly, Emergency Oxygen C
·
1660-01-050-2425 Duct Assembly, Air Conditioning-H →
Features
Diaphragm,flexible — FSC 1660
1 manufacturer part number on file
Manufacturer of record: Bellofram Corporation
Identification
NSN: 1660-01-050-1088
NIIN: 010501088
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 4-300-300-DCJ
Manufacturer: Bellofram Corporation
General Description
The Diaphragm,flexible, cataloged under National Stock Number 1660-01-050-1088, 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 Bellofram Corporation. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Diaphragm,flexible
FSC / FSG
1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16)
Manufacturers
Bellofram Corporation (CAGE 01170)
Technical Specifications
Parameter
Value
NSN
1660-01-050-1088
Primary Part Number
4-300-300-DCJ
Item Name
Diaphragm,flexible
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 1660-01-050-1088?
NSN 1660-01-050-1088 is a Diaphragm,flexible, manufactured by Bellofram Corporation, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-050-1088?
NSN 1660-01-050-1088 has 1 manufacturer part number on file: 4-300-300-DCJ (Bellofram Corporation).
Is NSN 1660-01-050-1088 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 1660-01-050-1088?
NSN 1660-01-050-1088 has DEMIL Code Q. 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.