PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23300Gear,spur

Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems · NSN 3020-00-675-0234 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-675-0234 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-675-0234. Primary manufacturer part number: 23300.
Features
  • Gear,spur — FSC 3020
  • Hub Style Designator: 1 STEP FIRST END
  • Counterbore Nominal Diameter: 0.199 INCHES SECOND END IN
  • First Step Nominal Diameter: 0.312 INCHES FIRST END IN
  • Nominal Distance Between Body Face and Protruding Hub End: 0.343 INCHES FIRST END IN
  • End Nominal Length: 0.281 INCHES FIRST END IN
  • Counterbore Nominal Depth: 0.156 INCHES SECOND END IN
  • Material Document and Classification: QQ-S-763,CLASS416SE FED SPEC SINGLE MATERIAL RESPONSE OVERALL
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 3020-00-675-0234, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. Government technical data includes 21 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-675-0234
Primary Part Number23300
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerUndersea Sensor Systems Inc Div Ultra Sonobuoy Systems
StatusACTIVE
Hub Style Designator1 STEP FIRST END
Counterbore Nominal Diameter0.199 INCHES SECOND END IN
First Step Nominal Diameter0.312 INCHES FIRST END IN
Nominal Distance Between Body Face and Protruding Hub End0.343 INCHES FIRST END IN
End Nominal Length0.281 INCHES FIRST END IN
Counterbore Nominal Depth0.156 INCHES SECOND END IN
Material Document and ClassificationQQ-S-763,CLASS416SE FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Body StylePLAIN, SOLID
Pitch Diameter0.6041 INCHES NOMINAL IN
Teeth Quantity58
Bore Nominal Diameter0.156 INCHES BOTH ENDS IN
Pressure Angle20.0000 DEGREES
End Nominal Diameter0.251 INCHES FIRST END IN
First Step Nominal Length0.062 INCHES FIRST END IN
MaterialSTEEL COMP 416SE OVERALL
Style DesignatorPROTRUDING HUB
Nominal Outside Diameter0.625 INCHES IN
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Face Nominal Width0.125 INCHES IN
Tooth FormSTANDARD
Bore StyleW/COUNTERBORE BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-110-843723300 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5136-00-197-9302 INTERCHANGEABLE
Die,thread Cutting
3455-00-231-3477301-8 INTERCHANGEABLE
Cutter,milling,plain
Kennametal Inc. Div Kennametal Industrial Products Group
7610-00-232-765023300 INTERCHANGEABLE
Book Set
Sams Howard W and Co
6685-00-846-1875J4058 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bellofram Corporation
4320-00-932-4915 INTERCHANGEABLE
Sleeve,shaft,pump
2805-01-190-9030991878 INTERCHANGEABLE
Repair Kit,gasoline Engine
Clark Material Handling Company
5331-01-332-8191 INTERCHANGEABLE
O-Ring
3030-01-549-14215060968 INTERCHANGEABLE
Belt,v
Carlisle Power Transmission Products Inc
Cross-Reference Index
Part NumberManufacturer
23300 PRIMARY Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA)
Related Parts
5330-00-110-8437INTERCHANGEABLE
SEAL,PLAIN ENCASED
23300
5136-00-197-9302INTERCHANGEABLE
DIE,THREAD CUTTING
3455-00-231-3477INTERCHANGEABLE
CUTTER,MILLING,PLAIN
301-8
7610-00-232-7650INTERCHANGEABLE
BOOK SET
23300
6685-00-846-1875INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
J4058
4320-00-932-4915INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
2805-01-190-9030INTERCHANGEABLE
REPAIR KIT,GASOLINE ENGINE
991878
5331-01-332-8191INTERCHANGEABLE
O-RING
3030-01-549-1421INTERCHANGEABLE
BELT,V
5060968

Frequently Asked Questions

What is NSN 3020-00-675-0234?

NSN 3020-00-675-0234 is a Gear,spur, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-675-0234?

NSN 3020-00-675-0234 has 1 cross-referenced part number: 23300 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).

What NSN replaces 3020-00-675-0234?

There are 9 known substitutes for 3020-00-675-0234: 5330-00-110-8437, 5136-00-197-9302, 3455-00-231-3477 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23300?

Key specifications for 23300: Hub Style Designator: 1 STEP FIRST END; Counterbore Nominal Diameter: 0.199 INCHES SECOND END IN; First Step Nominal Diameter: 0.312 INCHES FIRST END IN; Nominal Distance Between Body Face and Protruding Hub End: 0.343 INCHES FIRST END IN. 21 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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