NSN 1680-01-121-4432 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-121-4432. Manufacturer of record part number: 556-1-08557.
Also searched as1680-01-121-4432 ·
1680011214432 ·
NIIN 011214432 ·
01-121-4432 ·
FSC 1680 Miscellaneous Aircraft Accessories and Components · CAGE K2523 · 556-1-08557
FSC: 1680 — Miscellaneous Aircraft Accessories and Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: 556-1-08557
Manufacturer: Eaton Limited
General Description
The Indicator,special, cataloged under National Stock Number 1680-01-121-4432, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Eaton Limited. 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
1680-01-121-4432
Primary Part Number
556-1-08557
Item Name
Indicator,special
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 1680-01-121-4432?
NSN 1680-01-121-4432 is a Indicator,special, manufactured by Eaton Limited, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
What part numbers are listed for NSN 1680-01-121-4432?
NSN 1680-01-121-4432 has 1 manufacturer part number on file: 556-1-08557 (Eaton Limited).
What are the specifications of 556-1-08557?
Key specifications for 556-1-08557: End Item Identification: AIRCRAFT MODEL TAV-8A A. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1680-01-121-4432 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.
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.