PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R123Gear,bevel

Simplex Time Recorder Llc · NSN 3020-00-498-9673 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-498-9673 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-498-9673. Primary manufacturer part number: R123.
Features
  • Gear,bevel — FSC 3020
  • Pitch Diameter: 0.7500 INCHES NOMINAL IN
  • Teeth Type: STRAIGHT
  • Nominal Overall Length: 0.218 INCHES IN
  • Bore Nominal Diameter: 0.188 INCHES BOTH ENDS IN
  • Style Designator: PERIPHERAL FACE, BACK HUB PROTRUDING
  • Body Style: PLAIN, SOLID
  • Face Nominal Width: 0.125 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,bevel, cataloged under National Stock Number 3020-00-498-9673, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Simplex Time Recorder Llc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN3020-00-498-9673
Primary Part NumberR123
Item NameGear,bevel
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerSimplex Time Recorder Llc
StatusACTIVE
Pitch Diameter0.7500 INCHES NOMINAL IN
Teeth TypeSTRAIGHT
Nominal Overall Length0.218 INCHES IN
Bore Nominal Diameter0.188 INCHES BOTH ENDS IN
Style DesignatorPERIPHERAL FACE, BACK HUB PROTRUDING
Body StylePLAIN, SOLID
Face Nominal Width0.125 INCHES IN
Mounting Hole Type and Quantity2 THREADED TRANSVERSELY THROUGH HUB FIRST END
Attachment MethodMOUNTING HOLE
Nominal Outside Diameter0.7870 INCHES IN
Nominal Distance Between Body Face and Protruding Hub End0.156 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2530-00-391-0705FD1311K INTERCHANGEABLE
Cup,hydraulic Brake Cylinder
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5935-00-504-47161037-18 INTERCHANGEABLE
Cover,electrical Connector
Raytheon Company Dba Raytheon
3110-00-554-5302 INTERCHANGEABLE
Bearing,ball,annular
3120-00-555-1297103718 INTERCHANGEABLE
Bearing,sleeve
Air Logistics Corporation Dba Air Logistics Corp
6680-00-708-9194R123 INTERCHANGEABLE
Gage Rod-Cap,liquid Level
Wisconsin Motors, Llc
6675-00-900-2140123 INTERCHANGEABLE
Template,drafting
Crump Templates, Inc Dba Timesaver Templates
5920-01-102-6728 INTERCHANGEABLE
Arrester,lightning
Cross-Reference Index
Part NumberManufacturer
R123 PRIMARY Simplex Time Recorder Llc (USA)
103718 PRIMARY Viking Technologies, Ltd. (USA)
SMB282304 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
2530-00-391-0705INTERCHANGEABLE
CUP,HYDRAULIC BRAKE CYLINDER
FD1311K
5935-00-504-4716INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
1037-18
3110-00-554-5302INTERCHANGEABLE
BEARING,BALL,ANNULAR
3120-00-555-1297INTERCHANGEABLE
BEARING,SLEEVE
103718
6680-00-708-9194INTERCHANGEABLE
GAGE ROD-CAP,LIQUID LEVEL
R123
6675-00-900-2140INTERCHANGEABLE
TEMPLATE,DRAFTING
123
5920-01-102-6728INTERCHANGEABLE
ARRESTER,LIGHTNING

Frequently Asked Questions

What is NSN 3020-00-498-9673?

NSN 3020-00-498-9673 is a Gear,bevel, manufactured by Simplex Time Recorder Llc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-498-9673?

NSN 3020-00-498-9673 has 3 cross-referenced part numbers: R123 (Simplex Time Recorder Llc), 103718 (Viking Technologies, Ltd.), SMB282304 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 3020-00-498-9673?

There are 7 known substitutes for 3020-00-498-9673: 2530-00-391-0705, 5935-00-504-4716, 3110-00-554-5302 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R123?

Key specifications for R123: Pitch Diameter: 0.7500 INCHES NOMINAL IN; Teeth Type: STRAIGHT; Nominal Overall Length: 0.218 INCHES IN; Bore Nominal Diameter: 0.188 INCHES BOTH ENDS IN. 11 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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