FSC: 1680 — Miscellaneous Aircraft Accessories and Components
FSG: 16 — Aircraft Components and Accessories
General Description
The Adapter,cyclic Stic, cataloged under National Stock Number 1680-00-176-2181, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
Adapter,cyclic Stic
FSC / FSG
1680 — Miscellaneous Aircraft Accessories and Components (FSG 16)
Technical Specifications
Parameter
Value
NSN
1680-00-176-2181
Item Name
Adapter,cyclic Stic
FSC / FSG
1680 / 16 — Miscellaneous Aircraft Accessories and Components
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL B — Remove Demilitarization Key Points
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5930-00-472-3228C209-9POSSIBLE MATCH
SWITCH,THERMOSTATIC
Possible match (shared part number)Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
3455-00-580-849521795POSSIBLE MATCH
BLADE,HOLE SAW
Possible match (shared part number)Black and Decker Us Inc
4730-01-065-8425217-95POSSIBLE MATCH
COUPLING,PIPE
Possible match (shared part number)Cnh Industrial America Llc Dba Cnh America
5998-01-104-4240POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)
5961-01-214-218021795POSSIBLE MATCH
SEMICONDUCTOR DEVICE ASSEMBLY
Possible match (shared part number)Westerbeke Corporation
5330-01-388-417621795POSSIBLE MATCH
PARTS KIT,SEAL REPLACEMENT,MECHA
Possible match (shared part number)Liftking Manufacturing Corp
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
21795
3/2Design control — primary reference
U.S. Government activity
21795
5/9Secondary reference
Unison Industries Llc
21795
5/9Secondary reference
Amphenol Corp Div Amphenol Aerospace Operations
Related Parts
5930-00-472-3228POSSIBLE MATCH
SWITCH,THERMOSTATIC
C209-9
3455-00-580-8495POSSIBLE MATCH
BLADE,HOLE SAW
21795
4730-01-065-8425POSSIBLE MATCH
COUPLING,PIPE
217-95
5998-01-104-4240POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
5961-01-214-2180POSSIBLE MATCH
SEMICONDUCTOR DEVICE ASSEMBLY
21795
5330-01-388-4176POSSIBLE MATCH
PARTS KIT,SEAL REPLACEMENT,MECHA
21795
Frequently Asked Questions
What is NSN 1680-00-176-2181?
NSN 1680-00-176-2181 is a Adapter,cyclic Stic, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
What NSN replaces 1680-00-176-2181?
6 possible matches (shared part number, not a government interchangeability claim): 5930-00-472-3228, 3455-00-580-8495, 4730-01-065-8425. Verify interchangeability with system specifications before substitution.
Is NSN 1680-00-176-2181 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 1680-00-176-2181?
NSN 1680-00-176-2181 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.