PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2000707Coupling,shaft,flexible

Control Flow, Inc. Dba Control Flow Inc · NSN 3010-01-257-1619 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-01-257-1619 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-257-1619. Primary manufacturer part number: 2000707.
Features
  • Coupling,shaft,flexible — FSC 3010
  • Keying Facility Type: KEYWAY BOTH ENDS
  • Bore Diameter: 3.5000 INCHES NOMINAL BOTH ENDS IN
  • Bore Shape: STRAIGHT BOTH ENDS
  • Outside Diameter: 8.250 INCHES NOMINAL IN
  • Features Provided: KEYWAY AND EXPOSED COUPLING BOLT TYPE AND SPLINE GEAR TEETH
  • Bore Length: 3.0312 INCHES NOMINAL BOTH ENDS IN
  • Design Type: INTERNAL GEAR
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-257-1619, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Control Flow, Inc. Dba Control Flow Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 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
NSN3010-01-257-1619
Primary Part Number2000707
Item NameCoupling,shaft,flexible
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerControl Flow, Inc. Dba Control Flow Inc
StatusACTIVE
Keying Facility TypeKEYWAY BOTH ENDS
Bore Diameter3.5000 INCHES NOMINAL BOTH ENDS IN
Bore ShapeSTRAIGHT BOTH ENDS
Outside Diameter8.250 INCHES NOMINAL IN
Features ProvidedKEYWAY AND EXPOSED COUPLING BOLT TYPE AND SPLINE GEAR TEETH
Bore Length3.0312 INCHES NOMINAL BOTH ENDS IN
Design TypeINTERNAL GEAR
Keyway Width0.875 INCHES NOMINAL BOTH ENDS IN
Keying Facility Quantity1 BOTH ENDS
Keyway Depth0.4375 INCHES NOMINAL BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4710-01-546-013426401 INTERCHANGEABLE
Tube Assembly,metal
Fascan International, Inc.
4720-01-702-49122026293 INTERCHANGEABLE
Hose,nonmetallic
Aero Specialties Inc Div Sales
Cross-Reference Index
Part NumberManufacturer
D305-752-6 Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA)
XR3.5 Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA)
XR35 Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA)
XR35 Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center (USA)
2000707 PRIMARY Control Flow, Inc. Dba Control Flow Inc (USA)
D305-752-6 Control Flow, Inc. Dba Control Flow Inc (USA)
XR35 Pt Components Inc Drive Div (USA)
Related Parts
4710-01-546-0134INTERCHANGEABLE
TUBE ASSEMBLY,METAL
26401
4720-01-702-4912INTERCHANGEABLE
HOSE,NONMETALLIC
2026293

Frequently Asked Questions

What is NSN 3010-01-257-1619?

NSN 3010-01-257-1619 is a Coupling,shaft,flexible, manufactured by Control Flow, Inc. Dba Control Flow Inc, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-01-257-1619?

NSN 3010-01-257-1619 has 7 cross-referenced part numbers: D305-752-6 (Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division), XR3.5 (Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division), XR35 (Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division), XR35 (Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center), 2000707 (Control Flow, Inc. Dba Control Flow Inc) and 2 more.

What NSN replaces 3010-01-257-1619?

There are 2 known substitutes for 3010-01-257-1619: 4710-01-546-0134, 4720-01-702-4912. Verify interchangeability with system specifications before substitution.

What are the specifications of 2000707?

Key specifications for 2000707: Keying Facility Type: KEYWAY BOTH ENDS; Bore Diameter: 3.5000 INCHES NOMINAL BOTH ENDS IN; Bore Shape: STRAIGHT BOTH ENDS; Outside Diameter: 8.250 INCHES NOMINAL IN. 11 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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