PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51550-8Ballscrew Assembly

Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging · NSN 1680-00-981-8354 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-00-981-8354 — this item is cataloged by the U.S. Government under National Stock Number 1680-00-981-8354. Primary manufacturer part number: 51550-8.
Features
  • Ballscrew Assembly — FSC 1680
  • 3 verified cross-references
  • Primary manufacturer: Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ballscrew Assembly, cataloged under National Stock Number 1680-00-981-8354, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1680-00-981-8354
Primary Part Number51550-8
Item NameBallscrew Assembly
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerSafran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5930-00-331-1789228-1140P1 INTERCHANGEABLE
Switch,sensitive
Raytheon Company Dba Raytheon Co
3020-00-776-7388515508 INTERCHANGEABLE
Gear,helical
Renk America Llc Div Renk America
Cross-Reference Index
Part NumberManufacturer
669312-10 Lockheed Martin Corp (USA)
51550-8 PRIMARY Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging (USA)
669312-8 Lockheed Martin Corp (USA)
Related Parts
5930-00-331-1789INTERCHANGEABLE
SWITCH,SENSITIVE
228-1140P1
3020-00-776-7388INTERCHANGEABLE
GEAR,HELICAL
515508

Frequently Asked Questions

What is NSN 1680-00-981-8354?

NSN 1680-00-981-8354 is a Ballscrew Assembly, manufactured by Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-00-981-8354?

NSN 1680-00-981-8354 has 3 cross-referenced part numbers: 669312-10 (Lockheed Martin Corp), 51550-8 (Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging), 669312-8 (Lockheed Martin Corp).

What NSN replaces 1680-00-981-8354?

There are 2 known substitutes for 1680-00-981-8354: 5930-00-331-1789, 3020-00-776-7388. Verify interchangeability with system specifications before substitution.

What are the specifications of 51550-8?

Key specifications for 51550-8: Special Features: T.O. 8D1-8-116-3/4. 1 total characteristics are documented in the Federal Logistics Information System.

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