NSN 1660-01-253-0534 · NIIN 012530534 · Part number 5500B1A-BB25A
Avox Systems Inc Dba Avox Systems Inc · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 53655
Government record, cited
NSN 1660-01-253-0534 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-253-0534. Manufacturer of record part number: 5500B1A-BB25A.
Also searched as1660-01-253-0534 ·
1660012530534 ·
NIIN 012530534 ·
01-253-0534 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 53655 · 5500B1A-BB25A
Manufacturer of record: Avox Systems Inc Dba Avox Systems Inc
Identification
NSN: 1660-01-253-0534
NIIN: 012530534
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 5500B1A-BB25A
Manufacturer: Avox Systems Inc Dba Avox Systems Inc
General Description
The Cylinder Assembly, cataloged under National Stock Number 1660-01-253-0534, 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 Avox Systems Inc Dba Avox Systems 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.
Catalog Facts
Item Name
Cylinder Assembly
FSC / FSG
1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16)
Manufacturers
Avox Systems Inc Dba Avox Systems Inc (CAGE 53655)
Technical Specifications
Parameter
Value
NSN
1660-01-253-0534
Primary Part Number
5500B1A-BB25A
Item Name
Cylinder Assembly
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 1660-01-253-0534?
NSN 1660-01-253-0534 is a Cylinder Assembly, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-253-0534?
NSN 1660-01-253-0534 has 1 manufacturer part number on file: 5500B1A-BB25A (Avox Systems Inc Dba Avox Systems Inc).
Is NSN 1660-01-253-0534 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 1660-01-253-0534?
NSN 1660-01-253-0534 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.