PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P17-4-56Gear,antibacklash,spur

Roller Bearing Co of America, Inc Div Pic Design · NSN 3020-01-175-4818 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-175-4818 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-175-4818. Primary manufacturer part number: P17-4-56.
Features
  • Gear,antibacklash,spur — FSC 3020
  • Surface Treatment: PASSIVATE OVERALL
  • Hub Nominal Diameter: 0.500 INCHES FIRST END IN
  • Style Designator: PROTRUDING HUB
  • Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN
  • Nominal Distance Between Body Face and Protruding Hub End: 0.240 INCHES FIRST END IN
  • Bore Style: PLAIN BOTH ENDS
  • Material: STEEL COMP 303 OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Gear,antibacklash,spur, cataloged under National Stock Number 3020-01-175-4818, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 13 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-175-4818
Primary Part NumberP17-4-56
Item NameGear,antibacklash,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusACTIVE
Surface TreatmentPASSIVATE OVERALL
Hub Nominal Diameter0.500 INCHES FIRST END IN
Style DesignatorPROTRUDING HUB
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Nominal Distance Between Body Face and Protruding Hub End0.240 INCHES FIRST END IN
Bore StylePLAIN BOTH ENDS
MaterialSTEEL COMP 303 OVERALL
Pressure Angle20.0000 DEGREES
Face Nominal Width0.187 INCHES IN
Nominal Outside Diameter1.812 INCHES IN
Teeth Quantity56
Pitch Diameter1.7500 INCHES NOMINAL IN
Hub Style DesignatorPINNED FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5306-00-151-2666 INTERCHANGEABLE
Bolt,machine
5330-00-239-8733287-1062-7 INTERCHANGEABLE
Packing with Retainer
Raytheon Company Div Corp
5306-00-843-5674400110 INTERCHANGEABLE
Bolt,special
Load King, Llc Div Load King
5950-00-918-473235696 INTERCHANGEABLE
Transformer,power
Freed Transformer Co
6515-00-985-710990-2387 INTERCHANGEABLE
Forceps,hysterectomy
Sklar Corporation Dba Sklar Instruments
Cross-Reference Index
Part NumberManufacturer
AP32M-56 W. M. Berg, Inc. (USA)
P17-4-56 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
400-110 PRIMARY The Raymond Corp Dba Raymond Sales Corp Div the Raymond Corporation (USA)
Related Parts
5306-00-151-2666INTERCHANGEABLE
BOLT,MACHINE
5330-00-239-8733INTERCHANGEABLE
PACKING WITH RETAINER
287-1062-7
5306-00-843-5674INTERCHANGEABLE
BOLT,SPECIAL
400110
5950-00-918-4732INTERCHANGEABLE
TRANSFORMER,POWER
35696
6515-00-985-7109INTERCHANGEABLE
FORCEPS,HYSTERECTOMY
90-2387

Frequently Asked Questions

What is NSN 3020-01-175-4818?

NSN 3020-01-175-4818 is a Gear,antibacklash,spur, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-175-4818?

NSN 3020-01-175-4818 has 3 cross-referenced part numbers: AP32M-56 (W. M. Berg, Inc.), P17-4-56 (Roller Bearing Co of America, Inc Div Pic Design), 400-110 (The Raymond Corp Dba Raymond Sales Corp Div the Raymond Corporation).

What NSN replaces 3020-01-175-4818?

There are 5 known substitutes for 3020-01-175-4818: 5306-00-151-2666, 5330-00-239-8733, 5306-00-843-5674 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P17-4-56?

Key specifications for P17-4-56: Surface Treatment: PASSIVATE OVERALL; Hub Nominal Diameter: 0.500 INCHES FIRST END IN; Style Designator: PROTRUDING HUB; Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN. 13 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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