NSN 1680-01-645-8353 · NIIN 016458353 · Part number 2S7378
New England Specialty Components, Llc · FSC 1680 — Miscellaneous Aircraft Accessories and Components · FSG 16 — Aircraft Components and Accessories · CAGE 1WAC1
Government record, cited
NSN 1680-01-645-8353 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-645-8353. Manufacturer of record part number: 2S7378.
Also searched as1680-01-645-8353 ·
1680016458353 ·
NIIN 016458353 ·
01-645-8353 ·
FSC 1680 Miscellaneous Aircraft Accessories and Components · CAGE 1WAC1 · 2S7378
Nearby stock numbers← 1680-01-645-8348 Disc Pack A296
·
1680-01-645-8355 Fan Tray Unit →
Features
Flapper Check Valve — FSC 1680
2 manufacturer part numbers on file
Manufacturer of record: New England Specialty Components, Llc
Identification
NSN: 1680-01-645-8353
NIIN: 016458353
FSC: 1680 — Miscellaneous Aircraft Accessories and Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: 2S7378
Manufacturer: New England Specialty Components, Llc
General Description
The Flapper Check Valve, cataloged under National Stock Number 1680-01-645-8353, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is New England Specialty Components, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Catalog Facts
Item Name
Flapper Check Valve
FSC / FSG
1680 — Miscellaneous Aircraft Accessories and Components (FSG 16)
Manufacturers
New England Specialty Components, Llc (CAGE 1WAC1); Phoenix Trading Inc. (CAGE 4LF36)
Technical Specifications
Parameter
Value
NSN
1680-01-645-8353
Primary Part Number
2S7378
Item Name
Flapper Check Valve
FSC / FSG
1680 / 16 — Miscellaneous Aircraft Accessories and Components
Other items in FSC 1680 — Miscellaneous Aircraft Accessories and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1680-00-001-1736
DUCT ASSEMBLY,BRANCHED
1680-00-003-3721
1680-00-003-3721 · Item name not on file
1680-00-009-3782
PISTON,EJECTOR,INNER
1680-00-009-6180
1680-00-009-6180 · Item name not on file
1680-00-475-0002
TIP,RUBBER CONTROL
1680-00-696-6170
ADAPTER,SCREW END A
1680-00-867-7158
COVER,GEARCASE
1680-00-885-0923
KNOB ASSY,LANDING G
Frequently Asked Questions
What is NSN 1680-01-645-8353?
NSN 1680-01-645-8353 is a Flapper Check Valve, manufactured by New England Specialty Components, Llc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
What part numbers are listed for NSN 1680-01-645-8353?
NSN 1680-01-645-8353 has 2 manufacturer part numbers on file: 2S7378 (New England Specialty Components, Llc), 2S7378 (Phoenix Trading Inc.).
Is NSN 1680-01-645-8353 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 1680-01-645-8353?
NSN 1680-01-645-8353 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.