PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

299486-1Coupling,shaft,flexible

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3010-00-214-1790 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-214-1790 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-214-1790. Primary manufacturer part number: 299486-1.
Features
  • Coupling,shaft,flexible — FSC 3010
  • Design Type: SILENT CHAIN
  • Threaded Hole Location: BOTH ENDS: 90 DEG FROM KEYWAY
  • Keying Facility Quantity: 1 SECOND END
  • Counterbore Diameter: 2.4900 INCHES MINIMUM AND 2.5100 INCHES MAXIMUM SECOND END IN
  • Counterbore Diameter: 2.4900 INCHES MINIMUM AND 2.5100 INCHES MAXIMUM FIRST END IN
  • Bore Diameter: 0.7500 INCHES MINIMUM AND 0.7560 INCHES MAXIMUM SECOND END IN
  • Threaded Hole Quantity: 1 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 3010-00-214-1790, 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 23 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-00-214-1790
Primary Part Number299486-1
Item NameCoupling,shaft,flexible
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Design TypeSILENT CHAIN
Threaded Hole LocationBOTH ENDS: 90 DEG FROM KEYWAY
Keying Facility Quantity1 SECOND END
Counterbore Diameter2.4900 INCHES MINIMUM AND 2.5100 INCHES MAXIMUM SECOND END IN
Counterbore Diameter2.4900 INCHES MINIMUM AND 2.5100 INCHES MAXIMUM FIRST END IN
Bore Diameter0.7500 INCHES MINIMUM AND 0.7560 INCHES MAXIMUM SECOND END IN
Threaded Hole Quantity1 BOTH ENDS
Counterbore Depth1.5520 INCHES MINIMUM AND 1.5720 INCHES MAXIMUM FIRST END IN
Bore ShapeSTRAIGHT BOTH ENDS
Thread Size Designator1/4-20 BOTH ENDS
Keyway Width0.249 INCHES NOMINAL FIRST END IN
Keying Facility Quantity1 FIRST END
Keying Facility TypeKEYWAY FIRST END
Bore Length1.5520 INCHES MINIMUM AND 1.5720 INCHES MAXIMUM FIRST END IN
Outside Diameter4.000 INCHES NOMINAL IN
Features ProvidedKEYWAY AND COUNTERBORE
Keyway Depth0.4590 INCHES NOMINAL SECOND END IN
Counterbore Depth0.3330 INCHES MINIMUM AND 0.3530 INCHES MAXIMUM SECOND END IN
Keying Facility TypeKEYWAY SECOND END
Keyway Depth0.6123 INCHES NOMINAL FIRST END IN
Securing MethodTHREADED HOLE(S) SECOND END
Keyway Width0.186 INCHES NOMINAL SECOND END IN
Bore Length1.6770 INCHES MINIMUM AND 1.6970 INCHES MAXIMUM SECOND END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-00-425-9815 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
299486-1 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
299486PC1 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5961-00-425-9815INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 3010-00-214-1790?

NSN 3010-00-214-1790 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 3010-00-214-1790?

NSN 3010-00-214-1790 has 2 cross-referenced part numbers: 299486-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 299486PC1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 3010-00-214-1790?

There is 1 known substitute for 3010-00-214-1790: 5961-00-425-9815. Verify interchangeability with system specifications before substitution.

What are the specifications of 299486-1?

Key specifications for 299486-1: Design Type: SILENT CHAIN; Threaded Hole Location: BOTH ENDS: 90 DEG FROM KEYWAY; Keying Facility Quantity: 1 SECOND END; Counterbore Diameter: 2.4900 INCHES MINIMUM AND 2.5100 INCHES MAXIMUM SECOND END IN. 25 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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