PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100875Gear Assembly

Astronautics Corporation of America · NSN 5999-00-070-4971 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-070-4971 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-070-4971. Primary manufacturer part number: 100875.
Features
  • Gear Assembly — FSC 5999
  • General Characteristics Item Description: SPUR GEAR 1;SPRING PIN 1;SHOULDERED SHAFT 1
  • General Characteristics Item Description: SPUR GEAR 1;SPRING PIN 1;SHOULDERED SHAFT 1
  • 1 verified cross-reference
  • Primary manufacturer: Astronautics Corporation of America
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear Assembly, cataloged under National Stock Number 5999-00-070-4971, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Astronautics Corporation of America. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-070-4971
Primary Part Number100875
Item NameGear Assembly
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerAstronautics Corporation of America
StatusACTIVE
General Characteristics Item DescriptionSPUR GEAR 1;SPRING PIN 1;SHOULDERED SHAFT 1
General Characteristics Item DescriptionSPUR GEAR 1;SPRING PIN 1;SHOULDERED SHAFT 1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 5
5950-00-417-4493989108-41B INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
5998-00-920-7681100875 INTERCHANGEABLE
Circuit Card Assembly
Crane Electronics, Inc.
5120-01-124-504110087-5 INTERCHANGEABLE
Nutdriver
Circor Aerospace, Inc. Dba Circor Aerospace Inc
5365-01-143-2229100875 INTERCHANGEABLE
Bushing
American Turbo Systems Inc
5120-01-331-8249 INTERCHANGEABLE
Wrench,socket
Cross-Reference Index
Part NumberManufacturer
100875 PRIMARY Astronautics Corporation of America (USA)
Related Parts
5950-00-417-4493INTERCHANGEABLE
COIL,RADIO FREQUENCY
989108-41B
5998-00-920-7681INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
100875
5120-01-124-5041INTERCHANGEABLE
NUTDRIVER
10087-5
5365-01-143-2229INTERCHANGEABLE
BUSHING
100875
5120-01-331-8249INTERCHANGEABLE
WRENCH,SOCKET

Frequently Asked Questions

What is NSN 5999-00-070-4971?

NSN 5999-00-070-4971 is a Gear Assembly, manufactured by Astronautics Corporation of America, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-070-4971?

NSN 5999-00-070-4971 has 1 cross-referenced part number: 100875 (Astronautics Corporation of America).

What NSN replaces 5999-00-070-4971?

There are 5 known substitutes for 5999-00-070-4971: 5950-00-417-4493, 5998-00-920-7681, 5120-01-124-5041 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100875?

Key specifications for 100875: General Characteristics Item Description: SPUR GEAR 1;SPRING PIN 1;SHOULDERED SHAFT 1; End Item Identification: 6610000342500; General Characteristics Item Description: SPUR GEAR 1;SPRING PIN 1;SHOULDERED SHAFT 1; End Item Identification: 6610000342500. 4 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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