NSN 1660-01-193-3729 · NIIN 011933729 · Part number 225852
Meggitt North Hollywood Inc · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 79318
Government record, cited
NSN 1660-01-193-3729 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-193-3729. Manufacturer of record part number: 225852.
Also searched as1660-01-193-3729 ·
1660011933729 ·
NIIN 011933729 ·
01-193-3729 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 79318 · 225852
Manufacturer of record: Meggitt North Hollywood Inc
Identification
NSN: 1660-01-193-3729
NIIN: 011933729
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 225852
Manufacturer: Meggitt North Hollywood Inc
General Description
The Cover,valve,piston, cataloged under National Stock Number 1660-01-193-3729, 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 Meggitt North Hollywood Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Cover,valve,piston
FSC / FSG
1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16)
Manufacturers
Meggitt North Hollywood Inc (CAGE 79318)
Technical Specifications
Parameter
Value
NSN
1660-01-193-3729
Primary Part Number
225852
Item Name
Cover,valve,piston
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Manufacturer
Meggitt North Hollywood Inc
Status
ACTIVE
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
⇄Related Items2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6015-01-302-9056225852POSSIBLE MATCH
CABLE,FIBER OPTIC
Possible match (shared part number)Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
4310-01-559-8074225852POSSIBLE MATCH
ACCESSORY KIT,PRESSURE TANK
Possible match (shared part number)Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
NSN 1660-01-193-3729 is a Cover,valve,piston, manufactured by Meggitt North Hollywood Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-193-3729?
NSN 1660-01-193-3729 has 1 manufacturer part number on file: 225852 (Meggitt North Hollywood Inc).
What NSN replaces 1660-01-193-3729?
2 possible matches (shared part number, not a government interchangeability claim): 6015-01-302-9056, 4310-01-559-8074. Verify interchangeability with system specifications before substitution.
Is NSN 1660-01-193-3729 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.