PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

150658Gear,spur

Telemechanics Inc · NSN 3020-00-370-0381 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-370-0381 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-370-0381. Primary manufacturer part number: 150658.
Features
  • Gear,spur — FSC 3020
  • Teeth Quantity: 21
  • Body Style: PLAIN, SOLID
  • Attachment Method: MOUNTING HOLE
  • Bore Nominal Diameter: 0.190 INCHES BOTH ENDS IN
  • Tooth Form: SPECIAL
  • Pitch Diameter: 0.8399 INCHES NOMINAL IN
  • Mounting Hole Nominal Thread Size: 0.112 INCHES AXIALLY THROUGH BODY FIRST END IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-370-0381, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN3020-00-370-0381
Primary Part Number150658
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerTelemechanics Inc
StatusACTIVE
Teeth Quantity21
Body StylePLAIN, SOLID
Attachment MethodMOUNTING HOLE
Bore Nominal Diameter0.190 INCHES BOTH ENDS IN
Tooth FormSPECIAL
Pitch Diameter0.8399 INCHES NOMINAL IN
Mounting Hole Nominal Thread Size0.112 INCHES AXIALLY THROUGH BODY FIRST END IN
MaterialSTEEL OVERALL
Style DesignatorHUBLESS
Nominal Outside Diameter0.919 INCHES IN
Mounting Hole Type and Quantity2 THREADED AXIALLY THROUGH BODY FIRST END
Mounting Hole Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH BODY FIRST END
Pressure Angle25.0000 DEGREES
Bore StylePLAIN BOTH ENDS
Face Nominal Width0.065 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5998-00-618-4757166890 INTERCHANGEABLE
Circuit Card Assembly
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
2815-00-981-3161 INTERCHANGEABLE
Breather
Cross-Reference Index
Part NumberManufacturer
150658 At and T Corp (USA)
150658 American Telephone and Telegraph Co (USA)
150658 PRIMARY Telemechanics Inc (USA)
Related Parts
5998-00-618-4757INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
166890
2815-00-981-3161INTERCHANGEABLE
BREATHER

Frequently Asked Questions

What is NSN 3020-00-370-0381?

NSN 3020-00-370-0381 is a Gear,spur, manufactured by Telemechanics Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-370-0381?

NSN 3020-00-370-0381 has 3 cross-referenced part numbers: 150658 (At and T Corp), 150658 (American Telephone and Telegraph Co), 150658 (Telemechanics Inc).

What NSN replaces 3020-00-370-0381?

There are 2 known substitutes for 3020-00-370-0381: 5998-00-618-4757, 2815-00-981-3161. Verify interchangeability with system specifications before substitution.

What are the specifications of 150658?

Key specifications for 150658: Teeth Quantity: 21; Body Style: PLAIN, SOLID; Attachment Method: MOUNTING HOLE; Bore Nominal Diameter: 0.190 INCHES BOTH ENDS IN. 15 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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