PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SMB186957Gear,spur

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 3020-00-323-6687 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-323-6687 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-323-6687. Primary manufacturer part number: SMB186957.
Features
  • Gear,spur — FSC 3020
  • Material: STEEL BODY
  • 3 verified cross-references
  • Primary manufacturer: Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Body construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-323-6687, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-323-6687
Primary Part NumberSMB186957
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
MaterialSTEEL BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2845-00-458-88135473-1 INTERCHANGEABLE
Pad,met-L-Flex
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
5950-00-624-2934N285158-1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
5935-00-631-47235473-1 INTERCHANGEABLE
Connector,receptacle,electrical
Microwave Devices Inc
5340-00-734-687454731 INTERCHANGEABLE
Strap,retaining
Chrysler Realty Company Llc Dba Daimler Chrysler
4820-01-252-4380 INTERCHANGEABLE
Valve,relief,pressure and Temper
Cross-Reference Index
Part NumberManufacturer
SMB186957 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
54731A Kleinschmidt Inc (USA)
54731 Kleinschmidt Inc (USA)
Related Parts
2845-00-458-8813INTERCHANGEABLE
PAD,MET-L-FLEX
5473-1
5950-00-624-2934INTERCHANGEABLE
TRANSFORMER,POWER
N285158-1
5935-00-631-4723INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5473-1
5340-00-734-6874INTERCHANGEABLE
STRAP,RETAINING
54731
4820-01-252-4380INTERCHANGEABLE
VALVE,RELIEF,PRESSURE AND TEMPER

Frequently Asked Questions

What is NSN 3020-00-323-6687?

NSN 3020-00-323-6687 is a Gear,spur, 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 3020-00-323-6687?

NSN 3020-00-323-6687 has 3 cross-referenced part numbers: SMB186957 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 54731A (Kleinschmidt Inc), 54731 (Kleinschmidt Inc).

What NSN replaces 3020-00-323-6687?

There are 5 known substitutes for 3020-00-323-6687: 2845-00-458-8813, 5950-00-624-2934, 5935-00-631-4723 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SMB186957?

Key specifications for SMB186957: Material: STEEL BODY. 1 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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