PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SC-B-69730Gear,worm

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 3020-00-407-6161 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-407-6161 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-407-6161. Primary manufacturer part number: SC-B-69730.
Features
  • Gear,worm — FSC 3020
  • Bore Style: W/COUNTERBORE COUNTERBORE FIRST END
  • Nominal Distance Between Body Face and Protruding Hub End: 0.300 INCHES FIRST END IN
  • Surface Treatment: PHOSPHATE OVERALL
  • Pressure Angle: 20.0000 DEGREES
  • Nominal Outside Diameter: 0.750 INCHES IN
  • Hardness Rating: 50.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL
  • Style Designator: PROTRUDING HUB
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,worm, cataloged under National Stock Number 3020-00-407-6161, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 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
NSN3020-00-407-6161
Primary Part NumberSC-B-69730
Item NameGear,worm
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Bore StyleW/COUNTERBORE COUNTERBORE FIRST END
Nominal Distance Between Body Face and Protruding Hub End0.300 INCHES FIRST END IN
Surface TreatmentPHOSPHATE OVERALL
Pressure Angle20.0000 DEGREES
Nominal Outside Diameter0.750 INCHES IN
Hardness Rating50.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL
Style DesignatorPROTRUDING HUB
Thread Form DirectionRIGHT-HAND
Counterbore Nominal Diameter0.328 INCHES COUNTERBORE FIRST END IN
Face Nominal Width0.950 INCHES IN
Bore Nominal Diameter0.313 INCHES COUNTERBORE FIRST END IN
Counterbore Nominal Depth0.203 INCHES COUNTERBORE FIRST END IN
MaterialSTEEL OVERALL
Pitch Diameter0.6870 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3455-00-007-9645 INTERCHANGEABLE
File,rotary
6685-00-083-6602 INTERCHANGEABLE
Bridge Assembly
5330-00-291-910917294 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
7050-00-978-8107 INTERCHANGEABLE
Stacker Diode Assy
9905-01-262-367850-351 INTERCHANGEABLE
Plate,instruction
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
5985-01-499-047450351 INTERCHANGEABLE
Switch,radio Frequency Transmiss
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
1377-01-525-4120247447 INTERCHANGEABLE
Cartridge,powder Actuated Tool
Hilti Inc
Cross-Reference Index
Part NumberManufacturer
SC-B-69730 Kurt Mfg Co Inc Machining Div (USA)
SC-B-69730 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
SC-B-69730 Kurt Manufacturing Company, Inc. Div Kurt Manufacturing Company (USA)
SC-B-69730 Forway Industries Inc (USA)
SC-B-69730 Kurt Mfg Co Inc Kurt Gear Div (USA)
SC-B-69730 Edo Artisan Inc (USA)
50351 Kleinschmidt Inc (USA)
Related Parts
3455-00-007-9645INTERCHANGEABLE
FILE,ROTARY
6685-00-083-6602INTERCHANGEABLE
BRIDGE ASSEMBLY
5330-00-291-9109INTERCHANGEABLE
SEAL,PLAIN ENCASED
17294
7050-00-978-8107INTERCHANGEABLE
STACKER DIODE ASSY
9905-01-262-3678INTERCHANGEABLE
PLATE,INSTRUCTION
50-351
5985-01-499-0474INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
50351
1377-01-525-4120INTERCHANGEABLE
CARTRIDGE,POWDER ACTUATED TOOL
247447

Frequently Asked Questions

What is NSN 3020-00-407-6161?

NSN 3020-00-407-6161 is a Gear,worm, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-407-6161?

NSN 3020-00-407-6161 has 7 cross-referenced part numbers: SC-B-69730 (Kurt Mfg Co Inc Machining Div), SC-B-69730 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), SC-B-69730 (Kurt Manufacturing Company, Inc. Div Kurt Manufacturing Company), SC-B-69730 (Forway Industries Inc), SC-B-69730 (Kurt Mfg Co Inc Kurt Gear Div) and 2 more.

What NSN replaces 3020-00-407-6161?

There are 7 known substitutes for 3020-00-407-6161: 3455-00-007-9645, 6685-00-083-6602, 5330-00-291-9109 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SC-B-69730?

Key specifications for SC-B-69730: Bore Style: W/COUNTERBORE COUNTERBORE FIRST END; Nominal Distance Between Body Face and Protruding Hub End: 0.300 INCHES FIRST END IN; Special Features: HUB ON 1ST END; Surface Treatment: PHOSPHATE OVERALL. 15 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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