NSN 1660-00-650-0644 · NIIN 006500644 · Part number 135654
Honeywell International, Inc Div Aerospace-Tucson · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 64547
Government record, cited
NSN 1660-00-650-0644 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-650-0644. Manufacturer of record part number: 135654.
Also searched as1660-00-650-0644 ·
1660006500644 ·
NIIN 006500644 ·
00-650-0644 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 64547 · 135654
Nearby stock numbers← 1660-00-650-0641 Seal Assembly, Compartment
·
1660-00-650-0646 →
Features
Retainer,air Filter — FSC 1660
General Characteristics Item Description: ALUMINUM ALLOY QQ-A-327;ANODIZED MIL-A-8625;1.090 IN. LG;0.980 IN. OD FLANGE;0.032 IN. FLANGE THK;0.068 IN. BODY OD;0.032 IN. WALL THK;TWENTY 0.180 IN. DIA HOLES THRU BODY WALL IN
2 manufacturer part numbers on file
Manufacturer of record: Honeywell International, Inc Div Aerospace-Tucson
Identification
NSN: 1660-00-650-0644
NIIN: 006500644
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 135654
Manufacturer: Honeywell International, Inc Div Aerospace-Tucson
General Description
The Retainer,air Filter, cataloged under National Stock Number 1660-00-650-0644, 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 Honeywell International, Inc Div Aerospace-Tucson. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Technical Specifications
Parameter
Value
NSN
1660-00-650-0644
Primary Part Number
135654
Item Name
Retainer,air Filter
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Manufacturer
Honeywell International, Inc Div Aerospace-Tucson
Status
ACTIVE
General Characteristics Item Description
ALUMINUM ALLOY QQ-A-327;ANODIZED MIL-A-8625;1.090 IN. LG;0.980 IN. OD FLANGE;0.032 IN. FLANGE THK;0.068 IN. BODY OD;0.032 IN. WALL THK;TWENTY 0.180 IN. DIA HOLES THRU BODY WALL IN
Honeywell International, Inc Div Aerospace-Tucson (USA)
Reference documents
Reference
Meaning
135654
5/9Secondary reference
Alliedsignal Inc Dba Allied-Signal Aerospace Co
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.
1660-00-001-1693
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 1660-00-650-0644?
NSN 1660-00-650-0644 is a Retainer,air Filter, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-00-650-0644?
NSN 1660-00-650-0644 has 2 manufacturer part numbers on file: 135654 (Honeywell International Inc. Div Aerospace - Torrance), 135654 (Honeywell International, Inc Div Aerospace-Tucson).
What are the specifications of 135654?
Key specifications for 135654: General Characteristics Item Description: ALUMINUM ALLOY QQ-A-327;ANODIZED MIL-A-8625;1.090 IN. LG;0.980 IN. OD FLANGE;0.032 IN. FLANGE THK;0.068 IN. BODY OD;0.032 IN. WALL THK;TWENTY 0.180 IN. DIA HOLES THRU BODY WALL IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 1660-00-650-0644 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 1660-00-650-0644?
NSN 1660-00-650-0644 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.