PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C-200012Gear,internal

Grove U.s. Llc Dba Grove Us Llc · NSN 3020-01-172-0779 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-172-0779 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-172-0779. Primary manufacturer part number: C-200012.
Features
  • Gear,internal — FSC 3020
  • Pressure Angle: 20.0000 DEGREES
  • Precision Classification: QUALITY NUMBER 8
  • Bore Nominal Diameter: 1.841 INCHES BOTH ENDS IN
  • Style Designator: PLAIN RING
  • Pitch Diameter: 5.5000 INCHES NOMINAL IN
  • Hardness Rating: 55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
  • Teeth Quantity: 66
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 4140 Overall construction
General Description

The Gear,internal, cataloged under National Stock Number 3020-01-172-0779, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Grove U.s. Llc Dba Grove Us Llc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 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
NSN3020-01-172-0779
Primary Part NumberC-200012
Item NameGear,internal
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerGrove U.s. Llc Dba Grove Us Llc
StatusACTIVE
Pressure Angle20.0000 DEGREES
Precision ClassificationQUALITY NUMBER 8
Bore Nominal Diameter1.841 INCHES BOTH ENDS IN
Style DesignatorPLAIN RING
Pitch Diameter5.5000 INCHES NOMINAL IN
Hardness Rating55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
Teeth Quantity66
Body StylePLAIN, SOLID
Teeth TypeSPUR
Bore StyleINVOLUTE SPLINE BOTH ENDS
Nominal Overall Length3.000 INCHES IN
Spline Pitch Diameter1.9170 INCHES NOMINAL BOTH ENDS IN
Nominal Outside Diameter6.375 INCHES IN
MaterialSTEEL COMP 4140 OVERALL
Spline Quantity23 BOTH ENDS
Tooth FormSTUB
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5962-00-277-0034SN74165N INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
2930-00-358-596031306 INTERCHANGEABLE
Cap,filler Opening
Gates Corporation
5360-00-962-1467200012 INTERCHANGEABLE
Spring
Dictaphone Corporation
6685-01-055-96412000-012-00 INTERCHANGEABLE
Gage,pressure,dial Indicating
Qed Inc Dba Qed Inc
6220-01-154-0047200012 INTERCHANGEABLE
Light,marker,clearance
Betts Industries, Inc.
5355-01-244-671120-0012 INTERCHANGEABLE
Knob
Market Forge Industries Inc
5330-01-287-7562M21003A INTERCHANGEABLE
Gasket
Ian-Conrad Bergan, Llc
5935-01-299-3050C20001-2 INTERCHANGEABLE
Connector,plug,electrical
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
6515-01-491-214720-0012 INTERCHANGEABLE
Loop,cerumen Light,adult
North American Rescue, Llc
7025-01-508-4969KX-P2023 INTERCHANGEABLE
Printer,automatic Data Processin
Panasonic Corp of North America
Cross-Reference Index
Part NumberManufacturer
C-200012 Grove U.s. Llc Dba Grove Us Llc (USA)
WLM200012 Minnpar, Llc Dba Minnpar (USA)
WLM200012 Grove U.s. Llc Dba Grove Us Llc (USA)
200012 Grove U.s. Llc Dba Grove Us Llc (USA)
9-734-100394 Grove U.s. Llc Dba Grove Us Llc (USA)
Related Parts
5962-00-277-0034INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SN74165N
2930-00-358-5960INTERCHANGEABLE
CAP,FILLER OPENING
31306
5360-00-962-1467INTERCHANGEABLE
SPRING
200012
6685-01-055-9641INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
2000-012-00
6220-01-154-0047INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
200012
5355-01-244-6711INTERCHANGEABLE
KNOB
20-0012
5330-01-287-7562INTERCHANGEABLE
GASKET
M21003A
5935-01-299-3050INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
C20001-2
6515-01-491-2147INTERCHANGEABLE
LOOP,CERUMEN LIGHT,ADULT
20-0012
7025-01-508-4969INTERCHANGEABLE
PRINTER,AUTOMATIC DATA PROCESSIN
KX-P2023
4730-01-553-0772INTERCHANGEABLE
PLUG,PIPE
200012
5340-01-615-8722INTERCHANGEABLE
BRACKET,ANGLE
200012

Frequently Asked Questions

What is NSN 3020-01-172-0779?

NSN 3020-01-172-0779 is a Gear,internal, manufactured by Grove U.s. Llc Dba Grove Us Llc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-172-0779?

NSN 3020-01-172-0779 has 5 cross-referenced part numbers: C-200012 (Grove U.s. Llc Dba Grove Us Llc), WLM200012 (Minnpar, Llc Dba Minnpar), WLM200012 (Grove U.s. Llc Dba Grove Us Llc), 200012 (Grove U.s. Llc Dba Grove Us Llc), 9-734-100394 (Grove U.s. Llc Dba Grove Us Llc).

What NSN replaces 3020-01-172-0779?

There are 12 known substitutes for 3020-01-172-0779: 5962-00-277-0034, 2930-00-358-5960, 5360-00-962-1467 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C-200012?

Key specifications for C-200012: Pressure Angle: 20.0000 DEGREES; Precision Classification: QUALITY NUMBER 8; Bore Nominal Diameter: 1.841 INCHES BOTH ENDS IN; Style Designator: PLAIN RING. 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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