NSN 1660-01-347-8897 · NIIN 013478897 · Part number 5622661
Naval Sea Systems Command · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 53711
Government record, cited
NSN 1660-01-347-8897 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-347-8897. Manufacturer of record part number: 5622661.
Also searched as1660-01-347-8897 ·
1660013478897 ·
NIIN 013478897 ·
01-347-8897 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 53711 · 5622661
Material Document and Classification: AISI 304 ASSN STD SINGLE MATERIAL RESPONSE
Material: STEEL COMP 304
4 manufacturer part numbers on file
Manufacturer of record: Naval Sea Systems Command
Identification
NSN: 1660-01-347-8897
NIIN: 013478897
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 5622661
Manufacturer: Naval Sea Systems Command
General Description
The Disk,valve, cataloged under National Stock Number 1660-01-347-8897, 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 Naval Sea Systems Command. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1660-01-347-8897
Primary Part Number
5622661
Item Name
Disk,valve
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 1660-01-347-8897?
NSN 1660-01-347-8897 is a Disk,valve, manufactured by Naval Sea Systems Command, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-347-8897?
NSN 1660-01-347-8897 has 4 manufacturer part numbers on file: 5622661 (Shiloh Industries Inc), 5622661 (O T S I), 5622661 (Naval Sea Systems Command), 5622661 (Sigmation Inc).
What are the specifications of 5622661?
Key specifications for 5622661: Material Document and Classification: AISI 304 ASSN STD SINGLE MATERIAL RESPONSE; Material: STEEL COMP 304. 2 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-347-8897 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 1660-01-347-8897?
NSN 1660-01-347-8897 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.