PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-B-282305Gear,worm

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 3020-00-237-8630 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-237-8630 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-237-8630. Primary manufacturer part number: SM-B-282305.
Features
  • Gear,worm — FSC 3020
  • Pressure Angle: 14.5000 DEGREES
  • Attachment Method: MOUNTING HOLE
  • Bore Nominal Diameter: 0.188 INCHES BOTH ENDS IN
  • Thread Form Quantity: 1
  • Face Nominal Width: 0.156 INCHES IN
  • Thread Form Direction: RIGHT-HAND
  • Material: COPPER ALLOY OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy Overall construction
General Description

The Gear,worm, cataloged under National Stock Number 3020-00-237-8630, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-237-8630
Primary Part NumberSM-B-282305
Item NameGear,worm
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusCANCELLED
Pressure Angle14.5000 DEGREES
Attachment MethodMOUNTING HOLE
Bore Nominal Diameter0.188 INCHES BOTH ENDS IN
Thread Form Quantity1
Face Nominal Width0.156 INCHES IN
Thread Form DirectionRIGHT-HAND
MaterialCOPPER ALLOY OVERALL
Mounting Hole Type and Quantity2 THREADED TRANSVERSELY THROUGH HUB FIRST END
Nominal Distance Between Body Face and Protruding Hub End0.250 INCHES FIRST END IN
Nominal Overall Length0.406 INCHES IN
Pitch Diameter0.6250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
6675-00-045-3233 INTERCHANGEABLE
Template,drafting
5315-00-050-5557 INTERCHANGEABLE
Pin,straight,headless
3110-00-155-6716120-9 BRG INTERCHANGEABLE
Bearing,ball,annular
Manitowoc Engineering Co Division of the Manitowoc Co Inc
6620-00-181-6196 INTERCHANGEABLE
Weight Spiral
3110-01-298-9609R1-24 INTERCHANGEABLE
Bearing,ball,annular
Ingersoll Rand Co Athens Plant
5330-01-352-0661R1-24 INTERCHANGEABLE
Seal,nonmetallic Strip
Valad Electric Heating Corp.
Cross-Reference Index
Part NumberManufacturer
R124 Simplex Time Recorder Llc (USA)
98660 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
103719 Viking Technologies, Ltd. (USA)
SM-B-282305 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
103719 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
6675-00-045-3233INTERCHANGEABLE
TEMPLATE,DRAFTING
5315-00-050-5557INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
3110-00-155-6716INTERCHANGEABLE
BEARING,BALL,ANNULAR
120-9 BRG
6620-00-181-6196INTERCHANGEABLE
WEIGHT SPIRAL
3110-01-298-9609INTERCHANGEABLE
BEARING,BALL,ANNULAR
R1-24
5330-01-352-0661INTERCHANGEABLE
SEAL,NONMETALLIC STRIP
R1-24

Frequently Asked Questions

What is NSN 3020-00-237-8630?

NSN 3020-00-237-8630 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: cancelled.

What are the part numbers for NSN 3020-00-237-8630?

NSN 3020-00-237-8630 has 5 cross-referenced part numbers: R124 (Simplex Time Recorder Llc), 98660 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 103719 (Viking Technologies, Ltd.), SM-B-282305 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 103719 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 3020-00-237-8630?

There are 6 known substitutes for 3020-00-237-8630: 6675-00-045-3233, 5315-00-050-5557, 3110-00-155-6716 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-B-282305?

Key specifications for SM-B-282305: Pressure Angle: 14.5000 DEGREES; Attachment Method: MOUNTING HOLE; Bore Nominal Diameter: 0.188 INCHES BOTH ENDS IN; Thread Form Quantity: 1. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-237-8630 still in active supply?

NSN 3020-00-237-8630 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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