PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3681Guard,mechanical Drive

Buffalo Turbine Defense Llc · NSN 3020-01-666-0902 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-666-0902 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-666-0902. Primary manufacturer part number: 3681.
Features
  • Guard,mechanical Drive — FSC 3020
  • 1 verified cross-reference
  • Primary manufacturer: Buffalo Turbine Defense Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Guard,mechanical Drive, cataloged under National Stock Number 3020-01-666-0902, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Buffalo Turbine Defense Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGuard,mechanical Drive
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersBuffalo Turbine Defense Llc (CAGE 93146)
Technical Specifications
ParameterValue
NSN3020-01-666-0902
Primary Part Number3681
Item NameGuard,mechanical Drive
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerBuffalo Turbine Defense Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-100-067514398P11 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Taylor Machine Works Inc
5310-00-166-58823681 INTERCHANGEABLE
Washer,flat
Kidde Technologies, Inc Div Kidde Aerospace and Defense
5120-00-406-31815120-00-406-3181 INTERCHANGEABLE
Bit,screwdriver
General Services Administration Federal Supply Service
3120-00-585-4228HASB5 INTERCHANGEABLE
Bearing,plain,self-Aligning
U S Bearings
5355-00-701-2862368-1 INTERCHANGEABLE
Knob
Yosemite Investment Inc Dba North American Capacitor Co
6685-01-047-13813681 INTERCHANGEABLE
Indicator,humidity,plug
Clariant Corp Div Clariant Corporation
Cross-Reference Index
Part NumberManufacturer
3681 PRIMARY Buffalo Turbine Defense Llc (USA)
Related Parts
3110-00-100-0675INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
14398P11
5310-00-166-5882INTERCHANGEABLE
WASHER,FLAT
3681
5120-00-406-3181INTERCHANGEABLE
BIT,SCREWDRIVER
5120-00-406-3181
3120-00-585-4228INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
HASB5
5355-00-701-2862INTERCHANGEABLE
KNOB
368-1
6685-01-047-1381INTERCHANGEABLE
INDICATOR,HUMIDITY,PLUG
3681

Frequently Asked Questions

What is NSN 3020-01-666-0902?

NSN 3020-01-666-0902 is a Guard,mechanical Drive, manufactured by Buffalo Turbine Defense Llc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-666-0902?

NSN 3020-01-666-0902 has 1 cross-referenced part number: 3681 (Buffalo Turbine Defense Llc).

What NSN replaces 3020-01-666-0902?

There are 6 known substitutes for 3020-01-666-0902: 3110-00-100-0675, 5310-00-166-5882, 5120-00-406-3181 and 3 more. Verify interchangeability with system specifications before substitution.

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