PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9100066Coupling,shaft,flexible

Us Army Aviation and Missile Command · NSN 3010-00-203-1646 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-203-1646 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-203-1646. Primary manufacturer part number: 9100066.
Features
  • Coupling,shaft,flexible — FSC 3010
  • Bore Diameter: 0.2500 INCHES NOMINAL BOTH ENDS IN
  • Bore Shape: STRAIGHT BOTH ENDS
  • Bore Length: 2.5000 INCHES NOMINAL BOTH ENDS IN
  • Threaded Hole Quantity: 4 BOTH ENDS
  • Threaded Hole Location: BOTH ENDS: LOCATED ON ENDS
  • Thread Size Designator: 8-32 BOTH ENDS
  • Outside Diameter: 0.813 INCHES NOMINAL0.813 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-203-1646, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-00-203-1646
Primary Part Number9100066
Item NameCoupling,shaft,flexible
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Bore Diameter0.2500 INCHES NOMINAL BOTH ENDS IN
Bore ShapeSTRAIGHT BOTH ENDS
Bore Length2.5000 INCHES NOMINAL BOTH ENDS IN
Threaded Hole Quantity4 BOTH ENDS
Threaded Hole LocationBOTH ENDS: LOCATED ON ENDS
Thread Size Designator8-32 BOTH ENDS
Outside Diameter0.813 INCHES NOMINAL0.813 INCHES NOMINAL IN
Design TypeINSULATOR W/SPRING ACTION
Securing MethodTHREADED HOLE(S) BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-011-6120 INTERCHANGEABLE
Washer,lock
5996-00-106-2826259 INTERCHANGEABLE
Amplifier,electronic Control
Data Device Corp Dba Beta Transformer Technology
5331-00-111-37562-259N103-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5330-00-154-15291175 INTERCHANGEABLE
Seal,plain Encased
Patterson Pump Co Div Patterson Pump Company
3460-00-187-8703 INTERCHANGEABLE
Wheel,abrasive
5120-00-230-7866 INTERCHANGEABLE
Adjuster,spring,communications E
6220-00-299-7151259-1-R INTERCHANGEABLE
Lens,light
Perko Inc
5355-00-435-9388 INTERCHANGEABLE
Knob
5130-00-595-9734 INTERCHANGEABLE
Shears,metal Cutting,electric
6625-00-673-5932 INTERCHANGEABLE
Ohmmeter
Cross-Reference Index
Part NumberManufacturer
9100066 PRIMARY Us Army Aviation and Missile Command (USA)
259 Viking Technologies, Ltd. (USA)
Related Parts
5310-00-011-6120INTERCHANGEABLE
WASHER,LOCK
5996-00-106-2826INTERCHANGEABLE
AMPLIFIER,ELECTRONIC CONTROL
259
5331-00-111-3756INTERCHANGEABLE
O-RING
2-259N103-70
5330-00-154-1529INTERCHANGEABLE
SEAL,PLAIN ENCASED
1175
3460-00-187-8703INTERCHANGEABLE
WHEEL,ABRASIVE
5120-00-230-7866INTERCHANGEABLE
ADJUSTER,SPRING,COMMUNICATIONS E
6220-00-299-7151INTERCHANGEABLE
LENS,LIGHT
259-1-R
5355-00-435-9388INTERCHANGEABLE
KNOB
5130-00-595-9734INTERCHANGEABLE
SHEARS,METAL CUTTING,ELECTRIC
6625-00-673-5932INTERCHANGEABLE
OHMMETER
5935-00-920-1451INTERCHANGEABLE
ADAPTER,CONNECTOR
202-053
6240-00-925-2148INTERCHANGEABLE
LAMP,INCANDESCENT
259

Frequently Asked Questions

What is NSN 3010-00-203-1646?

NSN 3010-00-203-1646 is a Coupling,shaft,flexible, manufactured by Us Army Aviation and Missile Command, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-00-203-1646?

NSN 3010-00-203-1646 has 2 cross-referenced part numbers: 9100066 (Us Army Aviation and Missile Command), 259 (Viking Technologies, Ltd.).

What NSN replaces 3010-00-203-1646?

There are 12 known substitutes for 3010-00-203-1646: 5310-00-011-6120, 5996-00-106-2826, 5331-00-111-3756 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9100066?

Key specifications for 9100066: Bore Diameter: 0.2500 INCHES NOMINAL BOTH ENDS IN; Bore Shape: STRAIGHT BOTH ENDS; Bore Length: 2.5000 INCHES NOMINAL BOTH ENDS IN; Threaded Hole Quantity: 4 BOTH ENDS. 10 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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