PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

217634PC1Coupling,shaft,flexible

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3010-00-260-3248 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-260-3248 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-260-3248. Primary manufacturer part number: 217634PC1.
Features
  • Coupling,shaft,flexible — FSC 3010
  • Spline Minor Diameter: 1.9110 INCHES MINIMUM AND 1.9130 INCHES MAXIMUM FIRST END IN
  • Design Type: INTERNAL GEAR
  • Counterbore Diameter: 2.2500 INCHES MINIMUM AND 2.2510 INCHES MAXIMUM FIRST END IN
  • Features Provided: COUNTERBORE AND EXPOSED COUPLING BOLT TYPE AND FLOATING SHAFT
  • Spline Minor Diameter: 1.9110 INCHES MINIMUM AND 1.9130 INCHES MAXIMUM SECOND END IN
  • Spline Length: 2.500 INCHES NOMINAL FIRST END IN
  • Spline Major Diameter: 2.2490 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM 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 3010-00-260-3248, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-00-260-3248
Primary Part Number217634PC1
Item NameCoupling,shaft,flexible
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Spline Minor Diameter1.9110 INCHES MINIMUM AND 1.9130 INCHES MAXIMUM FIRST END IN
Design TypeINTERNAL GEAR
Counterbore Diameter2.2500 INCHES MINIMUM AND 2.2510 INCHES MAXIMUM FIRST END IN
Features ProvidedCOUNTERBORE AND EXPOSED COUPLING BOLT TYPE AND FLOATING SHAFT
Spline Minor Diameter1.9110 INCHES MINIMUM AND 1.9130 INCHES MAXIMUM SECOND END IN
Spline Length2.500 INCHES NOMINAL FIRST END IN
Spline Major Diameter2.2490 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM FIRST END IN
Spline Length3.031 INCHES NOMINAL SECOND END IN
Counterbore Depth0.4060 INCHES NOMINAL BOTH ENDS IN
Spline Major Diameter2.2490 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM SECOND END IN
Spline Quantity6 FIRST END
Bore ShapeSPLINED FIRST END
Spline Quantity6 SECOND END
Bore ShapeSPLINED SECOND END
Outside Diameter8.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-144-8569177002-65 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4820-00-454-7832217634 INTERCHANGEABLE
Valve,linear,directional Control
Dana Off Highway Products, Llc
5305-01-170-315321-7634 INTERCHANGEABLE
Screw,cap,hexagon Head
Johnson Controls Navy Systems, Llc
Cross-Reference Index
Part NumberManufacturer
217634 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
217634PC1 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
3110-00-144-8569INTERCHANGEABLE
BEARING,BALL,ANNULAR
177002-65
4820-00-454-7832INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
217634
5305-01-170-3153INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
21-7634

Frequently Asked Questions

What is NSN 3010-00-260-3248?

NSN 3010-00-260-3248 is a Coupling,shaft,flexible, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-00-260-3248?

NSN 3010-00-260-3248 has 2 cross-referenced part numbers: 217634 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 217634PC1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 3010-00-260-3248?

There are 3 known substitutes for 3010-00-260-3248: 3110-00-144-8569, 4820-00-454-7832, 5305-01-170-3153. Verify interchangeability with system specifications before substitution.

What are the specifications of 217634PC1?

Key specifications for 217634PC1: Spline Minor Diameter: 1.9110 INCHES MINIMUM AND 1.9130 INCHES MAXIMUM FIRST END IN; Design Type: INTERNAL GEAR; Counterbore Diameter: 2.2500 INCHES MINIMUM AND 2.2510 INCHES MAXIMUM FIRST END IN; Features Provided: COUNTERBORE AND EXPOSED COUPLING BOLT TYPE AND FLOATING SHAFT. 16 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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