NSN 1660-00-446-5234 · NIIN 004465234 · Part number F2374-1
Mission Systems Orchard Park Inc · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 04577
Government record, cited
NSN 1660-00-446-5234 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-446-5234. Manufacturer of record part number: F2374-1.
Also searched as1660-00-446-5234 ·
1660004465234 ·
NIIN 004465234 ·
00-446-5234 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 04577 · F2374-1
Manufacturer of record: Mission Systems Orchard Park Inc
Identification
NSN: 1660-00-446-5234
NIIN: 004465234
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: F2374-1
Manufacturer: Mission Systems Orchard Park Inc
General Description
The Stem,spring, cataloged under National Stock Number 1660-00-446-5234, 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 Mission Systems Orchard Park Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
Stem,spring
FSC / FSG
1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16)
Manufacturers
Mission Systems Orchard Park Inc (CAGE 04577)
Technical Specifications
Parameter
Value
NSN
1660-00-446-5234
Primary Part Number
F2374-1
Item Name
Stem,spring
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 1660-00-446-5234?
NSN 1660-00-446-5234 is a Stem,spring, manufactured by Mission Systems Orchard Park Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-00-446-5234?
NSN 1660-00-446-5234 has 1 manufacturer part number on file: F2374-1 (Mission Systems Orchard Park Inc).
Is NSN 1660-00-446-5234 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 1660-00-446-5234?
NSN 1660-00-446-5234 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.