PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23987Gear,spur

Dana Corp Tyrone Hydraulics Inc Div · NSN 3020-01-085-3737 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-085-3737 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-085-3737. Primary manufacturer part number: 23987.
Features
  • Gear,spur — FSC 3020
  • Face Nominal Width: 1.420 INCHES IN
  • Tooth Form: SPECIAL
  • Hub Style Designator: PLAIN BOTH ENDS
  • Style Designator: PROTRUDING HUBS
  • Material: STEEL OVERALL
  • Nominal Distance Between Body Face and Protruding Hub End: 1.747 INCHES BOTH ENDS IN
  • Surface Treatment: CHROMIUM OVERALL
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 3020-01-085-3737, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Dana Corp Tyrone Hydraulics Inc Div. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-085-3737
Primary Part Number23987
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDana Corp Tyrone Hydraulics Inc Div
StatusACTIVE
Face Nominal Width1.420 INCHES IN
Tooth FormSPECIAL
Hub Style DesignatorPLAIN BOTH ENDS
Style DesignatorPROTRUDING HUBS
MaterialSTEEL OVERALL
Nominal Distance Between Body Face and Protruding Hub End1.747 INCHES BOTH ENDS IN
Surface TreatmentCHROMIUM OVERALL
Bore StylePLAIN BOTH ENDS
Nominal Outside Diameter2.548 INCHES IN
Hub Nominal Diameter1.250 INCHES BOTH ENDS IN
Pressure Angle20.0000 DEGREES
Bore Nominal Diameter0.345 INCHES BOTH ENDS IN
Pitch Diameter2.0480 INCHES NOMINAL IN
Body StylePLAIN, SOLID
Teeth Quantity8
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-285-639451X72 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
4730-00-391-842448624 INTERCHANGEABLE
Thermostatic Element
Spirax Sarco Inc Dba Spirax Sarco
5910-00-397-043423987 INTERCHANGEABLE
Retainer,capacitor
Hamilton Sundstrand Corporation Dba Collins Aerospace
2930-00-407-939623987 INTERCHANGEABLE
Cooler,oil,engine
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
5340-00-874-5790486-24 INTERCHANGEABLE
Strap,retaining
Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins
3040-01-085-2620 INTERCHANGEABLE
Gearshaft,spur
5133-01-460-237240660 INTERCHANGEABLE
Drill,twist
Precision Twist Drill Co
Cross-Reference Index
Part NumberManufacturer
23987 Dana Corp Tyrone Hydraulics Inc Div (USA)
48624 Dana Corp Tyrone Hydraulics Inc Div (USA)
Related Parts
5330-00-285-6394INTERCHANGEABLE
SEAL,PLAIN ENCASED
51X72
4730-00-391-8424INTERCHANGEABLE
THERMOSTATIC ELEMENT
48624
5910-00-397-0434INTERCHANGEABLE
RETAINER,CAPACITOR
23987
2930-00-407-9396INTERCHANGEABLE
COOLER,OIL,ENGINE
23987
5340-00-874-5790INTERCHANGEABLE
STRAP,RETAINING
486-24
3040-01-085-2620INTERCHANGEABLE
GEARSHAFT,SPUR
5133-01-460-2372INTERCHANGEABLE
DRILL,TWIST
40660

Frequently Asked Questions

What is NSN 3020-01-085-3737?

NSN 3020-01-085-3737 is a Gear,spur, manufactured by Dana Corp Tyrone Hydraulics Inc Div, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-085-3737?

NSN 3020-01-085-3737 has 2 cross-referenced part numbers: 23987 (Dana Corp Tyrone Hydraulics Inc Div), 48624 (Dana Corp Tyrone Hydraulics Inc Div).

What NSN replaces 3020-01-085-3737?

There are 7 known substitutes for 3020-01-085-3737: 5330-00-285-6394, 4730-00-391-8424, 5910-00-397-0434 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23987?

Key specifications for 23987: Face Nominal Width: 1.420 INCHES IN; Tooth Form: SPECIAL; Hub Style Designator: PLAIN BOTH ENDS; Style Designator: PROTRUDING HUBS. 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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