PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

39009Coupling,shaft,flexible

Beta Labs Inc a-B and Millen Mfg Div · NSN 3010-00-766-6537 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-766-6537 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-766-6537. Primary manufacturer part number: 39009.
Features
  • Coupling,shaft,flexible — FSC 3010
  • Insulator Material: CERAMIC
  • Furnished Items and Quantity: SETSCREW 4
  • Bore Diameter: 0.2500 INCHES NOMINAL BOTH ENDS IN
  • Bore Shape: STRAIGHT BOTH ENDS
  • Outside Diameter: 1.625 INCHES NOMINAL IN
  • Thread Size Designator: NO 6/0.138 IN./-32 BOTH ENDS IN
  • Threaded Hole Quantity: 2 BOTH ENDS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-766-6537, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Beta Labs Inc a-B and Millen Mfg Div. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, 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
NSN3010-00-766-6537
Primary Part Number39009
Item NameCoupling,shaft,flexible
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerBeta Labs Inc a-B and Millen Mfg Div
StatusACTIVE
Insulator MaterialCERAMIC
Furnished Items and QuantitySETSCREW 4
Bore Diameter0.2500 INCHES NOMINAL BOTH ENDS IN
Bore ShapeSTRAIGHT BOTH ENDS
Outside Diameter1.625 INCHES NOMINAL IN
Thread Size DesignatorNO 6/0.138 IN./-32 BOTH ENDS IN
Threaded Hole Quantity2 BOTH ENDS
Bore Length0.2500 INCHES NOMINAL BOTH ENDS IN
Design TypeINSULATOR W/SPRING ACTION
Threaded Hole LocationBOTH ENDS: 0.125 IN. FROM FACE OF HUB 90 DEG APART IN
Securing MethodTHREADED HOLE(S) BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
1650-00-006-797839009 INTERCHANGEABLE
Cover,transducer
Mid-America Aerotech, Llc
5985-01-228-6966MDC1075 INTERCHANGEABLE
Dummy Load,electrical
Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc
Cross-Reference Index
Part NumberManufacturer
57A00-109 Sierra Networks Inc Sierracom Div (USA)
39009 PRIMARY Beta Labs Inc a-B and Millen Mfg Div (USA)
57A00-109 Microwave Engineering Corporation (USA)
39009 Millen Mfg Co (USA)
Related Parts
1650-00-006-7978INTERCHANGEABLE
COVER,TRANSDUCER
39009
5985-01-228-6966INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
MDC1075

Frequently Asked Questions

What is NSN 3010-00-766-6537?

NSN 3010-00-766-6537 is a Coupling,shaft,flexible, manufactured by Beta Labs Inc a-B and Millen Mfg Div, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-00-766-6537?

NSN 3010-00-766-6537 has 4 cross-referenced part numbers: 57A00-109 (Sierra Networks Inc Sierracom Div), 39009 (Beta Labs Inc a-B and Millen Mfg Div), 57A00-109 (Microwave Engineering Corporation), 39009 (Millen Mfg Co).

What NSN replaces 3010-00-766-6537?

There are 2 known substitutes for 3010-00-766-6537: 1650-00-006-7978, 5985-01-228-6966. Verify interchangeability with system specifications before substitution.

What are the specifications of 39009?

Key specifications for 39009: Insulator Material: CERAMIC; Furnished Items and Quantity: SETSCREW 4; Overall Length: 1.125 INCHES NOMINAL IN; Bore Diameter: 0.2500 INCHES NOMINAL BOTH ENDS IN. 12 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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