PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1440888Gearing Assembly,co

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 1285-00-051-6520 · FSC 1285 · No Item Name Available
Verified by PartsTable
NSN 1285-00-051-6520 — this item is cataloged by the U.S. Government under National Stock Number 1285-00-051-6520. Primary manufacturer part number: 1440888.
Features
  • Gearing Assembly,co — FSC 1285
  • 2 verified cross-references
  • Primary manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gearing Assembly,co, cataloged under National Stock Number 1285-00-051-6520, is classified within Federal Supply Class 1285 (No Item Name Available) of the Fire Control Equipment group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGearing Assembly,co
FSC / FSG1285 — No Item Name Available (FSG 12)
ManufacturersNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); Lockheed Martin Corporation Div Rms - Mitchel Field (CAGE 56232)
Technical Specifications
ParameterValue
NSN1285-00-051-6520
Primary Part Number1440888
Item NameGearing Assembly,co
FSC / FSG1285 / 12 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-157-0200 INTERCHANGEABLE
Bearing,ball,annular
6620-00-181-4268771-10 INTERCHANGEABLE
Handstaff
Elbitamerica, Inc.
5975-00-593-461514800-2A INTERCHANGEABLE
Mounting Base,electrical Equipme
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
5985-00-917-6599145643-002 INTERCHANGEABLE
Attenuator,fixed
L3harris Technologies, Inc.
6145-01-039-2568771-10 INTERCHANGEABLE
Cable,special Purpose,electrical
Thomas and Betts Corp Electronics Group
7510-01-124-318677110 INTERCHANGEABLE
Typing Element
Royal Consumer Information Products, Inc. Div Supplies Division
6150-01-249-4086 INTERCHANGEABLE
Lead,storage Battery
5305-01-618-292477110 INTERCHANGEABLE
Screw,cap,hexagon Head
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
1440888 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
77-110 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
3110-00-157-0200INTERCHANGEABLE
BEARING,BALL,ANNULAR
6620-00-181-4268INTERCHANGEABLE
HANDSTAFF
771-10
5975-00-593-4615INTERCHANGEABLE
MOUNTING BASE,ELECTRICAL EQUIPME
14800-2A
5985-00-917-6599INTERCHANGEABLE
ATTENUATOR,FIXED
145643-002
6145-01-039-2568INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
771-10
7510-01-124-3186INTERCHANGEABLE
TYPING ELEMENT
77110
6150-01-249-4086INTERCHANGEABLE
LEAD,STORAGE BATTERY
5305-01-618-2924INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
77110

Frequently Asked Questions

What is NSN 1285-00-051-6520?

NSN 1285-00-051-6520 is a Gearing Assembly,co, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1285 (No Item Name Available). Status: active.

What are the part numbers for NSN 1285-00-051-6520?

NSN 1285-00-051-6520 has 2 cross-referenced part numbers: 1440888 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 77-110 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 1285-00-051-6520?

There are 8 known substitutes for 1285-00-051-6520: 3110-00-157-0200, 6620-00-181-4268, 5975-00-593-4615 and 5 more. Verify interchangeability with system specifications before substitution.

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