PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

556-32Gear,spur

Southern Gear & Machine Inc · NSN 3020-00-436-1437 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-436-1437 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-436-1437. Primary manufacturer part number: 556-32.
Features
  • Gear,spur — FSC 3020
  • 1 verified cross-reference
  • Primary manufacturer: Southern Gear & Machine Inc
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-436-1437, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Southern Gear & Machine Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameGear,spur
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersSouthern Gear & Machine Inc (CAGE 01351)
Technical Specifications
ParameterValue
NSN3020-00-436-1437
Primary Part Number556-32
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerSouthern Gear & Machine Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3040-00-600-2736SM-B-197182 INTERCHANGEABLE
Collar,shaft
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6685-01-068-1600G71691 INTERCHANGEABLE
Thermometer,indicating,capillary
Tempco Inc Dba Marshalltown Tempco
5961-01-103-549805-10021-0A INTERCHANGEABLE
Semiconductor Device,diode
Ballantine Laboratories Inc
Cross-Reference Index
Part NumberManufacturer
556-32 PRIMARY Southern Gear & Machine Inc (USA)
Related Parts
3040-00-600-2736INTERCHANGEABLE
COLLAR,SHAFT
SM-B-197182
6685-01-068-1600INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
G71691
5961-01-103-5498INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
05-10021-0A

Frequently Asked Questions

What is NSN 3020-00-436-1437?

NSN 3020-00-436-1437 is a Gear,spur, manufactured by Southern Gear & Machine Inc, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-436-1437?

NSN 3020-00-436-1437 has 1 cross-referenced part number: 556-32 (Southern Gear & Machine Inc).

What NSN replaces 3020-00-436-1437?

There are 3 known substitutes for 3020-00-436-1437: 3040-00-600-2736, 6685-01-068-1600, 5961-01-103-5498. Verify interchangeability with system specifications before substitution.

Is NSN 3020-00-436-1437 still in active supply?

NSN 3020-00-436-1437 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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