PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28778Gearshaft,worm and

Honeywell International Inc. Div Aerospace - Torrance · NSN 1680-00-099-7851 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-00-099-7851 — this item is cataloged by the U.S. Government under National Stock Number 1680-00-099-7851. Primary manufacturer part number: 28778.
Features
  • Gearshaft,worm and — FSC 1680
  • 4 verified cross-references
  • Primary manufacturer: Honeywell International Inc. Div Aerospace - Torrance
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gearshaft,worm and, cataloged under National Stock Number 1680-00-099-7851, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGearshaft,worm and
FSC / FSG1680 — No Item Name Available (FSG 16)
ManufacturersHoneywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (CAGE 99193); Alliedsignal Inc Dba Allied-Signal Aerospace Co (CAGE 72599); Honeywell International Inc. Div Aerospace - Torrance (CAGE 70210); Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (CAGE 59364)
Technical Specifications
ParameterValue
NSN1680-00-099-7851
Primary Part Number28778
Item NameGearshaft,worm and
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerHoneywell International Inc. Div Aerospace - Torrance
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5331-00-291-483528778 INTERCHANGEABLE
O-Ring
Hamilton Sundstrand Corporation
5310-00-534-978028778 INTERCHANGEABLE
Nut,plain,octagon
Curtiss-Wright Controls, Inc. Div Actuation Division
4810-01-052-273528778 INTERCHANGEABLE
Rack,piston
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
28778 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
28778 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
28778 PRIMARY Honeywell International Inc. Div Aerospace - Torrance (USA)
28778 Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
Related Parts
5331-00-291-4835INTERCHANGEABLE
O-RING
28778
5310-00-534-9780INTERCHANGEABLE
NUT,PLAIN,OCTAGON
28778
4810-01-052-2735INTERCHANGEABLE
RACK,PISTON
28778

Frequently Asked Questions

What is NSN 1680-00-099-7851?

NSN 1680-00-099-7851 is a Gearshaft,worm and, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-00-099-7851?

NSN 1680-00-099-7851 has 4 cross-referenced part numbers: 28778 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix), 28778 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), 28778 (Honeywell International Inc. Div Aerospace - Torrance), 28778 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).

What NSN replaces 1680-00-099-7851?

There are 3 known substitutes for 1680-00-099-7851: 5331-00-291-4835, 5310-00-534-9780, 4810-01-052-2735. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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