PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A3107Gear,spur

Simmonds Precision Products Inc · NSN 3020-00-986-7138 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-986-7138 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-986-7138. Primary manufacturer part number: A3107.
Features
  • Gear,spur — FSC 3020
  • Body Style: PLAIN, SOLID
  • Hub Style Designator: PLAIN FIRST END
  • Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Hub Nominal Diameter: 0.440 INCHES FIRST END IN
  • Tooth Form: STANDARD
  • Face Nominal Width: 0.180 INCHES IN
  • Pressure Angle: 20.0000 DEGREES
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 416SE Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-986-7138, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Simmonds Precision Products Inc. Government technical data includes 20 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-986-7138
Primary Part NumberA3107
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerSimmonds Precision Products Inc
StatusACTIVE
Body StylePLAIN, SOLID
Hub Style DesignatorPLAIN FIRST END
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Hub Nominal Diameter0.440 INCHES FIRST END IN
Tooth FormSTANDARD
Face Nominal Width0.180 INCHES IN
Pressure Angle20.0000 DEGREES
MaterialSTEEL COMP 416SE OVERALL
Bore StyleW/ KEYWAY BOTH ENDS
Nominal Outside Diameter1.186 INCHES IN
Backlash DesignationGRADE C
Precision ClassificationQUALITY NUMBER 10 OR QUALITY NUMBER 11
Nominal Distance Between Body Face and Protruding Hub End0.320 INCHES FIRST END IN
Pitch Diameter1.1458 INCHES NOMINAL IN
Nominal Distance From Bore Center to Keyway Bottom0.158 INCHES BOTH ENDS IN
Keyway Nominal Width0.064 INCHES BOTH ENDS IN
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Teeth Quantity55
Surface TreatmentPASSIVATE OVERALL
Style DesignatorPROTRUDING HUB
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-024-2853A3107 INTERCHANGEABLE
Washer,flat
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
3110-00-100-0311001-30144 INTERCHANGEABLE
Cup,tapered Roller Bearing
Tvh Parts Co.
5950-00-859-7859 INTERCHANGEABLE
Transformer,power
5998-00-920-4288A3107 INTERCHANGEABLE
Printed Circuit Board
Naval Inventory Control Point Mechanicsburg
5961-01-066-9507 INTERCHANGEABLE
Semiconductor Device,diode
5360-01-354-2008A-3107 INTERCHANGEABLE
Spring,helical,compression
Hartzell Propeller Llc
Cross-Reference Index
Part NumberManufacturer
A3107 PRIMARY Simmonds Precision Products Inc (USA)
Related Parts
5310-00-024-2853INTERCHANGEABLE
WASHER,FLAT
A3107
3110-00-100-0311INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
001-30144
5950-00-859-7859INTERCHANGEABLE
TRANSFORMER,POWER
5998-00-920-4288INTERCHANGEABLE
PRINTED CIRCUIT BOARD
A3107
5961-01-066-9507INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5360-01-354-2008INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
A-3107

Frequently Asked Questions

What is NSN 3020-00-986-7138?

NSN 3020-00-986-7138 is a Gear,spur, manufactured by Simmonds Precision Products Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-986-7138?

NSN 3020-00-986-7138 has 1 cross-referenced part number: A3107 (Simmonds Precision Products Inc).

What NSN replaces 3020-00-986-7138?

There are 6 known substitutes for 3020-00-986-7138: 5310-00-024-2853, 3110-00-100-0311, 5950-00-859-7859 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A3107?

Key specifications for A3107: Body Style: PLAIN, SOLID; Hub Style Designator: PLAIN FIRST END; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Hub Nominal Diameter: 0.440 INCHES FIRST END IN. 20 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com