PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10131631Gear,spur

Us Army Aviation and Missile Command · NSN 3020-00-891-5114 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-891-5114 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-891-5114. Primary manufacturer part number: 10131631.
Features
  • Gear,spur — FSC 3020
  • Mounting Hole Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END
  • Attachment Method: MOUNTING HOLE
  • Nominal Outside Diameter: 0.229 INCHES IN
  • Hardness Rating: 75.0 ROCKWELL B MINIMUM AND 83.0 ROCKWELL B MAXIMUM OVERALL
  • Material: STEEL COMP 303 OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Tooth Form: STANDARD
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-891-5114, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-891-5114
Primary Part Number10131631
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusCANCELLED
Mounting Hole Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END
Attachment MethodMOUNTING HOLE
Nominal Outside Diameter0.229 INCHES IN
Hardness Rating75.0 ROCKWELL B MINIMUM AND 83.0 ROCKWELL B MAXIMUM OVERALL
MaterialSTEEL COMP 303 OVERALL
Surface TreatmentPASSIVATE OVERALL
Tooth FormSTANDARD
Mounting Hole Thread Quantity Per Inch56 TRANSVERSELY THROUGH HUB FIRST END
Style DesignatorPROTRUDING HUB
Material Document and ClassificationQQ-S-763,CLASS 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Pressure Angle20.0000 DEGREES
Nominal Overall Length0.375 INCHES IN
Nominal Distance Between Body Face and Protruding Hub End0.250 INCHES FIRST END IN
Pitch Diameter0.2083 INCHES NOMINAL IN
Face Nominal Width0.125 INCHES IN
Body StylePLAIN, SOLID
Mounting Hole Type and Quantity1 THREADED TRANSVERSELY THROUGH HUB FIRST END
Hub Nominal Diameter0.187 INCHES FIRST END IN
Bore Nominal Diameter0.125 INCHES BOTH ENDS IN
Teeth Quantity20
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
2930-00-231-682865A138-48 INTERCHANGEABLE
Cooler,lubricating Oil,engine
Triumph Thermal Systems, Llc
5330-01-274-836455620 INTERCHANGEABLE
Seal,plain
Altra Industrial Motion Corp.
5935-01-275-5840213143-5 INTERCHANGEABLE
Connector,receptacle,electrical
Te Connectivity Corporation
6685-01-319-8195213.40-2 1/2-1/4CBM/UC/0-600PSI INTERCHANGEABLE
Gage,pressure,dial Indicating
Wika Holding Lp
6680-01-406-042555620 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
4520-01-430-271155620 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
5365-01-671-114155620 INTERCHANGEABLE
Plug,machine Thread
Malabar
Cross-Reference Index
Part NumberManufacturer
10131631 PRIMARY Us Army Aviation and Missile Command (USA)
420413-4 Raytheon Company Dba Raytheon (USA)
56037-1 Raytheon Company Dba Raytheon (USA)
556-20 Southern Gear & Machine Inc (USA)
Related Parts
2930-00-231-6828INTERCHANGEABLE
COOLER,LUBRICATING OIL,ENGINE
65A138-48
5330-01-274-8364INTERCHANGEABLE
SEAL,PLAIN
55620
5935-01-275-5840INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
213143-5
6685-01-319-8195INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
213.40-2 1/2-1/4CBM/UC/0-600PSI
6680-01-406-0425INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
55620
4520-01-430-2711INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
55620
5365-01-671-1141INTERCHANGEABLE
PLUG,MACHINE THREAD
55620

Frequently Asked Questions

What is NSN 3020-00-891-5114?

NSN 3020-00-891-5114 is a Gear,spur, manufactured by Us Army Aviation and Missile Command, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-891-5114?

NSN 3020-00-891-5114 has 4 cross-referenced part numbers: 10131631 (Us Army Aviation and Missile Command), 420413-4 (Raytheon Company Dba Raytheon), 56037-1 (Raytheon Company Dba Raytheon), 556-20 (Southern Gear & Machine Inc).

What NSN replaces 3020-00-891-5114?

There are 7 known substitutes for 3020-00-891-5114: 2930-00-231-6828, 5330-01-274-8364, 5935-01-275-5840 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10131631?

Key specifications for 10131631: Mounting Hole Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END; Attachment Method: MOUNTING HOLE; Nominal Outside Diameter: 0.229 INCHES IN; Hardness Rating: 75.0 ROCKWELL B MINIMUM AND 83.0 ROCKWELL B MAXIMUM OVERALL. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-891-5114 still in active supply?

NSN 3020-00-891-5114 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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