NSN 1680-01-339-7680 · NIIN 013397680 · Part number 540D900-3
Instrument Systems Corp · FSC 1680 — Miscellaneous Aircraft Accessories and Components · FSG 16 — Aircraft Components and Accessories · CAGE 09966
Government record, cited
NSN 1680-01-339-7680 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-339-7680. Manufacturer of record part number: 540D900-3.
Also searched as1680-01-339-7680 ·
1680013397680 ·
NIIN 013397680 ·
01-339-7680 ·
FSC 1680 Miscellaneous Aircraft Accessories and Components · CAGE 09966 · 540D900-3
Nearby stock numbers← 1680-01-339-7572 Cushion Assembly, Seat and Back, a
·
1680-01-339-8121 Control Stick, Aircraft →
Features
Module Aircraft — FSC 1680
1 manufacturer part number on file
Manufacturer of record: Instrument Systems Corp
Identification
NSN: 1680-01-339-7680
NIIN: 013397680
FSC: 1680 — Miscellaneous Aircraft Accessories and Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: 540D900-3
Manufacturer: Instrument Systems Corp
General Description
The Module Aircraft, cataloged under National Stock Number 1680-01-339-7680, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Instrument Systems Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1680-01-339-7680
Primary Part Number
540D900-3
Item Name
Module Aircraft
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 1680-01-339-7680?
NSN 1680-01-339-7680 is a Module Aircraft, manufactured by Instrument Systems Corp, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
What part numbers are listed for NSN 1680-01-339-7680?
NSN 1680-01-339-7680 has 1 manufacturer part number on file: 540D900-3 (Instrument Systems Corp).
What are the specifications of 540D900-3?
Key specifications for 540D900-3: Special Features: COGNIZANT SERVICE - UNITED KINGDOM ROYAL AIR FORCE; End Item Identification: TRISTRAR CMK2,INSTRUMENT SYSTEMS CORP. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1680-01-339-7680 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 1680-01-339-7680?
NSN 1680-01-339-7680 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.