PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

181420Gear and Pulley Assembly

Telemechanics Inc · NSN 3020-00-938-2348 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-938-2348 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-938-2348. Primary manufacturer part number: 181420.
Features
  • Gear and Pulley Assembly — FSC 3020
  • General Characteristics Item Description: CONSISTS OF NYLON HELICAL GEAR AND POSITIVE DRIVE GEAR,ALUMINUM ALLOY BODY,AND TWO BRONZE SINTERED BEARINGS;0.220 IN. BORE DIA;0.675 IN. O/A LG;PULLEY,17 TEETH,0.200 IN. TOOTH PITCH;1.082 IN. PITCH DIA;0.036 IN. FACE W;GEAR,54 TEETH;0.087 IN. CIRCULAR PITCH;1.500 I. PTICH DIA;1.555 IN. OD,0.281 IN. FACE W IN
  • 1 verified cross-reference
  • Primary manufacturer: Telemechanics Inc
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear and Pulley Assembly, cataloged under National Stock Number 3020-00-938-2348, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-938-2348
Primary Part Number181420
Item NameGear and Pulley Assembly
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerTelemechanics Inc
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF NYLON HELICAL GEAR AND POSITIVE DRIVE GEAR,ALUMINUM ALLOY BODY,AND TWO BRONZE SINTERED BEARINGS;0.220 IN. BORE DIA;0.675 IN. O/A LG;PULLEY,17 TEETH,0.200 IN. TOOTH PITCH;1.082 IN. PITCH DIA;0.036 IN. FACE W;GEAR,54 TEETH;0.087 IN. CIRCULAR PITCH;1.500 I. PTICH DIA;1.555 IN. OD,0.281 IN. FACE W IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6750-01-427-1947 INTERCHANGEABLE
Film,photographic
7520-01-451-22677520-01-451-2267 INTERCHANGEABLE
Pencil,mechanical
National Industries for the Blind
Cross-Reference Index
Part NumberManufacturer
181420 PRIMARY Telemechanics Inc (USA)
Related Parts
6750-01-427-1947INTERCHANGEABLE
FILM,PHOTOGRAPHIC
7520-01-451-2267INTERCHANGEABLE
PENCIL,MECHANICAL
7520-01-451-2267

Frequently Asked Questions

What is NSN 3020-00-938-2348?

NSN 3020-00-938-2348 is a Gear and Pulley Assembly, manufactured by Telemechanics Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-938-2348?

NSN 3020-00-938-2348 has 1 cross-referenced part number: 181420 (Telemechanics Inc).

What NSN replaces 3020-00-938-2348?

There are 2 known substitutes for 3020-00-938-2348: 6750-01-427-1947, 7520-01-451-2267. Verify interchangeability with system specifications before substitution.

What are the specifications of 181420?

Key specifications for 181420: General Characteristics Item Description: CONSISTS OF NYLON HELICAL GEAR AND POSITIVE DRIVE GEAR,ALUMINUM ALLOY BODY,AND TWO BRONZE SINTERED BEARINGS;0.220 IN. BORE DIA;0.675 IN. O/A LG;PULLEY,17 TEETH,0.200 IN. TOOTH PITCH;1.082 IN. PITCH DIA;0.036 IN. FACE W;GEAR,54 TEETH;0.087 IN. CIRCULAR PITCH;1.500 I. PTICH DIA;1.555 IN. OD,0.281 IN. FACE W IN. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com