PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7Y2030Gear,spur

Garwood/feller Inc Garwood Winch Div · NSN 3020-00-621-0672 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-621-0672 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-621-0672. Primary manufacturer part number: 7Y2030.
Features
  • Gear,spur — FSC 3020
  • Material: STEEL COMP 4150H OVERALL
  • Material Document and Classification: 66,AISI/SAE 4150 H FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Pressure Angle: 20.0000 DEGREES
  • Tooth Form: STANDARD
  • Pitch Diameter: 3.0000 INCHES NOMINAL IN
  • Face Nominal Width: 0.938 INCHES IN
  • Nominal Outside Diameter: 3.285 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 4150h Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-621-0672, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Garwood/feller Inc Garwood Winch Div. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-621-0672
Primary Part Number7Y2030
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerGarwood/feller Inc Garwood Winch Div
StatusACTIVE
MaterialSTEEL COMP 4150H OVERALL
Material Document and Classification66,AISI/SAE 4150 H FED STD SINGLE MATERIAL RESPONSE OVERALL
Pressure Angle20.0000 DEGREES
Tooth FormSTANDARD
Pitch Diameter3.0000 INCHES NOMINAL IN
Face Nominal Width0.938 INCHES IN
Nominal Outside Diameter3.285 INCHES IN
Hub Style DesignatorPLAIN FIRST END
Hardness Rating50.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL
Bore StyleSTRAIGHT SPLINE BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End0.841 INCHES FIRST END IN
Bore Nominal Diameter1.577 INCHES BOTH ENDS IN
Body StylePLAIN, SOLID
Hub Nominal Diameter2.375 INCHES FIRST END IN
Spline Quantity6 BOTH ENDS
Nominal Overall Length1.779 INCHES IN
Style DesignatorPROTRUDING HUB
Teeth Quantity15
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5945-01-230-6901B70.0 INTERCHANGEABLE
Thermal Unit
Schneider Electric Usa, Inc.
6515-01-279-6482B-700 INTERCHANGEABLE
Cryosurgical Unit,dermatological
Brymill Corporation Dba Brymill Corp
5340-01-383-2502B700 INTERCHANGEABLE
Plate,mounting
Betts Spring Co
4820-01-394-0572B700A04E98B INTERCHANGEABLE
Valve,throttle
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
4820-01-394-0574B700A05B97B INTERCHANGEABLE
Valve,throttle
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
4820-01-394-0575B700A04M97B INTERCHANGEABLE
Valve,throttle
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
4820-01-394-0576B700A05P97B INTERCHANGEABLE
Valve,throttle
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
4820-01-394-0578B700A05H97B INTERCHANGEABLE
Valve,throttle
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
4820-01-394-0579B700A06D97B INTERCHANGEABLE
Valve,throttle
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
4820-01-450-0027 INTERCHANGEABLE
Valve,flow Control
Cross-Reference Index
Part NumberManufacturer
380390006 Kaitlin Corp (USA)
6210672 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
B700 Appleton Marine Inc (USA)
7Y2030 PRIMARY Garwood/feller Inc Garwood Winch Div (USA)
Related Parts
5945-01-230-6901INTERCHANGEABLE
THERMAL UNIT
B70.0
6515-01-279-6482INTERCHANGEABLE
CRYOSURGICAL UNIT,DERMATOLOGICAL
B-700
5340-01-383-2502INTERCHANGEABLE
PLATE,MOUNTING
B700
4820-01-394-0572INTERCHANGEABLE
VALVE,THROTTLE
B700A04E98B
4820-01-394-0574INTERCHANGEABLE
VALVE,THROTTLE
B700A05B97B
4820-01-394-0575INTERCHANGEABLE
VALVE,THROTTLE
B700A04M97B
4820-01-394-0576INTERCHANGEABLE
VALVE,THROTTLE
B700A05P97B
4820-01-394-0578INTERCHANGEABLE
VALVE,THROTTLE
B700A05H97B
4820-01-394-0579INTERCHANGEABLE
VALVE,THROTTLE
B700A06D97B
4820-01-450-0027INTERCHANGEABLE
VALVE,FLOW CONTROL
4820-01-450-0812INTERCHANGEABLE
VALVE,FLOW CONTROL
4820-01-450-0828INTERCHANGEABLE
VALVE,FLOW CONTROL

Frequently Asked Questions

What is NSN 3020-00-621-0672?

NSN 3020-00-621-0672 is a Gear,spur, manufactured by Garwood/feller Inc Garwood Winch Div, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-621-0672?

NSN 3020-00-621-0672 has 4 cross-referenced part numbers: 380390006 (Kaitlin Corp), 6210672 (U S Army Tank Automotive Command Amsta-Im-Mm), B700 (Appleton Marine Inc), 7Y2030 (Garwood/feller Inc Garwood Winch Div).

What NSN replaces 3020-00-621-0672?

There are 12 known substitutes for 3020-00-621-0672: 5945-01-230-6901, 6515-01-279-6482, 5340-01-383-2502 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7Y2030?

Key specifications for 7Y2030: Material: STEEL COMP 4150H OVERALL; Material Document and Classification: 66,AISI/SAE 4150 H FED STD SINGLE MATERIAL RESPONSE OVERALL; Pressure Angle: 20.0000 DEGREES; Tooth Form: STANDARD. 18 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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