PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G51-60Gear,spur

Roller Bearing Co of America, Inc Div Pic Design · NSN 3020-00-012-0073 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-012-0073 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-012-0073. Primary manufacturer part number: G51-60.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 0.6240 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
  • Body Style: PLAIN, SOLID
  • Style Designator: PROTRUDING HUB
  • Nominal Distance Between Body Face and Protruding Hub End: 0.188 INCHES FIRST END IN
  • Tooth Form: STUB
  • Pressure Angle: 20.0000 DEGREES
  • Hub Style Designator: PINNED FIRST END
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303SE Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-012-0073, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, 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
NSN3020-00-012-0073
Primary Part NumberG51-60
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusACTIVE
Pitch Diameter0.6240 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
Body StylePLAIN, SOLID
Style DesignatorPROTRUDING HUB
Nominal Distance Between Body Face and Protruding Hub End0.188 INCHES FIRST END IN
Tooth FormSTUB
Pressure Angle20.0000 DEGREES
Hub Style DesignatorPINNED FIRST END
Bore StylePLAIN BOTH ENDS
Face Nominal Width0.062 INCHES IN
MaterialSTEEL COMP 303SE OVERALL
Surface TreatmentPASSIVATE OVERALL
Nominal Outside Diameter0.645 INCHES IN
Bore Nominal Diameter0.125 INCHES BOTH ENDS IN
Material Document and ClassificationQQ-S-763,CLASS303SE FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Hub Nominal Diameter0.312 INCHES FIRST END IN
Teeth Quantity60
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5360-00-298-1915 INTERCHANGEABLE
Spring,helical,compression
5120-00-460-2818B760 INTERCHANGEABLE
Pin,alignment
Lockheed Martin Corp
5935-00-552-2879 INTERCHANGEABLE
Connector,receptacle,electrical
5940-00-617-289610015429-48 INTERCHANGEABLE
Terminal,lug
Us Army Aviation and Missile Command
4320-01-184-215620596 INTERCHANGEABLE
Port Plate
Real-Time Laboratories, Llc
5330-01-211-505820596 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
3010-01-529-901620-596 INTERCHANGEABLE
Gear Assembly,speed Increaser
Natural Gas Solutions North America Llc Div Industrial Products Group
Cross-Reference Index
Part NumberManufacturer
B7-60 Designatronics Incorporated Div Sterling Instruments Div (USA)
20596 Mandzak Instrumentation Specialists Inc (USA)
G51-60 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
GP50-60 PRIMARY Secs Inc (USA)
DG51T60 Allied Devices Corp Dba Absolute Precision Co (USA)
P96S5-60 W. M. Berg, Inc. (USA)
Related Parts
5360-00-298-1915INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5120-00-460-2818INTERCHANGEABLE
PIN,ALIGNMENT
B760
5935-00-552-2879INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5940-00-617-2896INTERCHANGEABLE
TERMINAL,LUG
10015429-48
4320-01-184-2156INTERCHANGEABLE
PORT PLATE
20596
5330-01-211-5058INTERCHANGEABLE
SEAL,PLAIN ENCASED
20596
3010-01-529-9016INTERCHANGEABLE
GEAR ASSEMBLY,SPEED INCREASER
20-596

Frequently Asked Questions

What is NSN 3020-00-012-0073?

NSN 3020-00-012-0073 is a Gear,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 3020-00-012-0073?

NSN 3020-00-012-0073 has 6 cross-referenced part numbers: B7-60 (Designatronics Incorporated Div Sterling Instruments Div), 20596 (Mandzak Instrumentation Specialists Inc), G51-60 (Roller Bearing Co of America, Inc Div Pic Design), GP50-60 (Secs Inc), DG51T60 (Allied Devices Corp Dba Absolute Precision Co) and 1 more.

What NSN replaces 3020-00-012-0073?

There are 7 known substitutes for 3020-00-012-0073: 5360-00-298-1915, 5120-00-460-2818, 5935-00-552-2879 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of G51-60?

Key specifications for G51-60: Pitch Diameter: 0.6240 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN; Body Style: PLAIN, SOLID; Style Designator: PROTRUDING HUB; Nominal Distance Between Body Face and Protruding Hub End: 0.188 INCHES FIRST END IN. 16 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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