PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3W 3.873 X 3.998 X 1.500 SQ KYWYCoupling,shaft,flexible

Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division · NSN 3010-01-431-8247 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-01-431-8247 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-431-8247. Primary manufacturer part number: 3W 3.873 X 3.998 X 1.500 SQ KYWY.
Features
  • Coupling,shaft,flexible — FSC 3010
  • Bore Diameter: 3.9970 INCHES NOMINAL SECOND END IN
  • Bore Shape: STRAIGHT SECOND END
  • Bore Length: 3.5940 INCHES NOMINAL FIRST END IN
  • Features Provided: EXPOSED COUPLING BOLT TYPE AND KEYWAY
  • Outside Diameter: 9.438 INCHES NOMINAL IN
  • Bore Shape: STRAIGHT FIRST END
  • Bore Diameter: 3.8750 INCHES NOMINAL FIRST END 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 3010-01-431-8247, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-01-431-8247
Primary Part Number3W 3.873 X 3.998 X 1.500 SQ KYWY
Item NameCoupling,shaft,flexible
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerEmerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division
StatusACTIVE
Bore Diameter3.9970 INCHES NOMINAL SECOND END IN
Bore ShapeSTRAIGHT SECOND END
Bore Length3.5940 INCHES NOMINAL FIRST END IN
Features ProvidedEXPOSED COUPLING BOLT TYPE AND KEYWAY
Outside Diameter9.438 INCHES NOMINAL IN
Bore ShapeSTRAIGHT FIRST END
Bore Diameter3.8750 INCHES NOMINAL FIRST END IN
Design TypeINTERNAL GEAR
Bore Length3.5940 INCHES NOMINAL SECOND END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3455-00-021-2410 INTERCHANGEABLE
File,rotary
7690-00-391-03733W INTERCHANGEABLE
Decal
Vitachrome Graphics Group Inc
7690-01-178-78703-W INTERCHANGEABLE
Label,auxiliary,prescription
Precision Dynamics Corporation
5310-01-267-9110 INTERCHANGEABLE
Washer
7690-01-372-01613W INTERCHANGEABLE
Label
Pharmex Inc
5930-01-604-68003W INTERCHANGEABLE
Switch,rotary
Us Tech Inc Dba Us Tech Inc
2540-01-717-34303W INTERCHANGEABLE
Chock,wheel-Track
Cleveland Reclaim Industries, Inc Dba Turtle Plastics
Cross-Reference Index
Part NumberManufacturer
3W 3.875 X 3.997 X 1.500SQKYWY Reliance Electric Company Dba Reliance & Dodge Brands (USA)
3X4.4 3.875X3.997X1.500SQ KYWY Woods T B Inc Poole Div (USA)
F201EB 3.875X3.997X1.500SQ KYWY Ameridrives International Llc Dba Ameridrives International Llc (USA)
3W 3.873 X 3.998 X 1.500 SQ KYWY PRIMARY Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA)
3W Reliance Electric Company Dba Reliance & Dodge Brands (USA)
3MXB 3.875X3.997X1.500 SQ KYWY PRIMARY Woods T B Inc (USA)
30G20 3.875X3.997X1.500SQKYWY Rexnord Industries Llc (USA)
1030G20 3.875X3.997X1.500SQKYWY Rexnord Industries Llc (USA)
F103 3.875X3.997X1.500SQ KEYWY Ameridrives International Llc Dba Ameridrives International Llc (USA)
F-3EB/DE3.875X3.997X1.500SQKYWY Woods T B Inc (USA)
Related Parts
3455-00-021-2410INTERCHANGEABLE
FILE,ROTARY
7690-00-391-0373INTERCHANGEABLE
DECAL
3W
7690-01-178-7870INTERCHANGEABLE
LABEL,AUXILIARY,PRESCRIPTION
3-W
5310-01-267-9110INTERCHANGEABLE
WASHER
7690-01-372-0161INTERCHANGEABLE
LABEL
3W
5930-01-604-6800INTERCHANGEABLE
SWITCH,ROTARY
3W
2540-01-717-3430INTERCHANGEABLE
CHOCK,WHEEL-TRACK
3W

Frequently Asked Questions

What is NSN 3010-01-431-8247?

NSN 3010-01-431-8247 is a Coupling,shaft,flexible, manufactured by Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-01-431-8247?

NSN 3010-01-431-8247 has 10 cross-referenced part numbers: 3W 3.875 X 3.997 X 1.500SQKYWY (Reliance Electric Company Dba Reliance & Dodge Brands), 3X4.4 3.875X3.997X1.500SQ KYWY (Woods T B Inc Poole Div), F201EB 3.875X3.997X1.500SQ KYWY (Ameridrives International Llc Dba Ameridrives International Llc), 3W 3.873 X 3.998 X 1.500 SQ KYWY (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division), 3W (Reliance Electric Company Dba Reliance & Dodge Brands) and 5 more.

What NSN replaces 3010-01-431-8247?

There are 7 known substitutes for 3010-01-431-8247: 3455-00-021-2410, 7690-00-391-0373, 7690-01-178-7870 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3W 3.873 X 3.998 X 1.500 SQ KYWY?

Key specifications for 3W 3.873 X 3.998 X 1.500 SQ KYWY: Bore Diameter: 3.9970 INCHES NOMINAL SECOND END IN; End Item Identification: WEAPONS SYSTEM IWO JIMA CLASS LPH; Overall Length: 7.375 INCHES NOMINAL IN; Bore Shape: STRAIGHT SECOND END. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com