PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25200Gear,helical

Unisys Corp Defense Systems C S D Field Engineering · NSN 3020-00-512-0151 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-512-0151 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-512-0151. Primary manufacturer part number: 25200.
Features
  • Gear,helical — FSC 3020
  • Material Document and Classification: MIL-N-994,COMP B-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE HUBMIL-N-994,COMP B-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE HUB
  • Nominal Distance Between Body Face and Protruding Hub End: 0.312 INCHES SECOND END0.312 INCHES SECOND END IN
  • Hub Style Designator: PINNED FIRST ENDPINNED FIRST END
  • Pressure Angle: 20.0000 DEGREES20.0000 DEGREES
  • Nominal Outside Diameter: 1.937 INCHES1.937 INCHES IN
  • Pitch Diameter: 1.8950 INCHES MINIMUM AND 1.8950 INCHES MINIMUM AND 1.8970 INCHES MAXIMUM1.8970 INCHES MAXIMUM IN
  • Helix Angle: 31.0003 DEGREES31.0003 DEGREES
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Plastic Polyamide Nylon Body construction
General Description

The Gear,helical, cataloged under National Stock Number 3020-00-512-0151, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Unisys Corp Defense Systems C S D Field Engineering. Government technical data includes 22 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-512-0151
Primary Part Number25200
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerUnisys Corp Defense Systems C S D Field Engineering
StatusACTIVE
Material Document and ClassificationMIL-N-994,COMP B-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE HUBMIL-N-994,COMP B-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE HUB
Nominal Distance Between Body Face and Protruding Hub End0.312 INCHES SECOND END0.312 INCHES SECOND END IN
Hub Style DesignatorPINNED FIRST ENDPINNED FIRST END
Pressure Angle20.0000 DEGREES20.0000 DEGREES
Nominal Outside Diameter1.937 INCHES1.937 INCHES IN
Pitch Diameter1.8950 INCHES MINIMUM AND 1.8950 INCHES MINIMUM AND 1.8970 INCHES MAXIMUM1.8970 INCHES MAXIMUM IN
Helix Angle31.0003 DEGREES31.0003 DEGREES
Style DesignatorPROTRUDING HUBSPROTRUDING HUBS
Nominal Distance Between Body Face and Protruding Hub End0.250 INCHES FIRST END0.250 INCHES FIRST END IN
Hub Nominal Diameter0.438 INCHES FIRST END0.438 INCHES FIRST END IN
Bore Nominal Diameter0.219 INCHES BOTH ENDS0.219 INCHES BOTH ENDS IN
MaterialPLASTIC POLYAMIDE NYLON BODY
Body StylePLAIN, SOLIDPLAIN, SOLID
Teeth TypeSINGLE HELIXSINGLE HELIX
Tooth DirectionLEFTLEFT
Hub Style DesignatorPLAIN SECOND ENDPLAIN SECOND END
Face Nominal Width0.188 INCHES0.188 INCHES IN
MaterialCOPPER ALLOY 482 OVERALL
Hub Nominal Diameter0.328 INCHES SECOND END0.328 INCHES SECOND END IN
Teeth Quantity7878
Tooth FormSTANDARDSTANDARD
Bore StylePLAIN BOTH ENDSPLAIN BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5133-00-228-1377 INTERCHANGEABLE
Drill,twist
2915-00-303-871325200 INTERCHANGEABLE
Fuel Control,afterburner,turbine
Triumph Engine Control Systems Llc
1650-01-152-994825200 INTERCHANGEABLE
Filter,fluid,special
Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div
6525-01-263-261725200 INTERCHANGEABLE
Cabinet,cassette Transfer
Wolf X-Ray, Corporation
5365-01-269-0932252-00 INTERCHANGEABLE
Plug,machine Thread
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
3010-01-300-314225200 INTERCHANGEABLE
Disk,clutch,nonvehicular
Paccar Winch Inc Dba Paccar Winch Division
5340-01-538-7037 INTERCHANGEABLE
Cover,access
6720-01-560-167725200 INTERCHANGEABLE
Camera System,digital
Naval Sea Systems Command
4320-01-565-384725200 INTERCHANGEABLE
Impeller,pump,centrifugal
Industrial Technologies and Services Llc
3220-01-656-274825200 INTERCHANGEABLE
Mortiser,hollow Chisel,vertical
Steel City Tool Works
Cross-Reference Index
Part NumberManufacturer
25200 Unisys Corp Defense Systems C S D Field Engineering (USA)
Related Parts
5133-00-228-1377INTERCHANGEABLE
DRILL,TWIST
2915-00-303-8713INTERCHANGEABLE
FUEL CONTROL,AFTERBURNER,TURBINE
25200
1650-01-152-9948INTERCHANGEABLE
FILTER,FLUID,SPECIAL
25200
6525-01-263-2617INTERCHANGEABLE
CABINET,CASSETTE TRANSFER
25200
5365-01-269-0932INTERCHANGEABLE
PLUG,MACHINE THREAD
252-00
3010-01-300-3142INTERCHANGEABLE
DISK,CLUTCH,NONVEHICULAR
25200
5340-01-538-7037INTERCHANGEABLE
COVER,ACCESS
6720-01-560-1677INTERCHANGEABLE
CAMERA SYSTEM,DIGITAL
25200
4320-01-565-3847INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
25200
3220-01-656-2748INTERCHANGEABLE
MORTISER,HOLLOW CHISEL,VERTICAL
25200

Frequently Asked Questions

What is NSN 3020-00-512-0151?

NSN 3020-00-512-0151 is a Gear,helical, manufactured by Unisys Corp Defense Systems C S D Field Engineering, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-512-0151?

NSN 3020-00-512-0151 has 1 cross-referenced part number: 25200 (Unisys Corp Defense Systems C S D Field Engineering).

What NSN replaces 3020-00-512-0151?

There are 10 known substitutes for 3020-00-512-0151: 5133-00-228-1377, 2915-00-303-8713, 1650-01-152-9948 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25200?

Key specifications for 25200: Material Document and Classification: MIL-N-994,COMP B-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE HUBMIL-N-994,COMP B-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE HUB; Nominal Distance Between Body Face and Protruding Hub End: 0.312 INCHES SECOND END0.312 INCHES SECOND END IN; Hub Style Designator: PINNED FIRST ENDPINNED FIRST END; Pressure Angle: 20.0000 DEGREES20.0000 DEGREES. 22 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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