PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

78006Coupling,shaft,rigid

Tennant Company · NSN 3010-01-139-9691 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-01-139-9691 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-139-9691. Primary manufacturer part number: 78006.
Features
  • Coupling,shaft,rigid — FSC 3010
  • Spline Pressure Angle in Deg: 30.000 THROUGH BORE
  • Spline Type: INVOLUTE THROUGH BORE
  • Bore Shape: SPLINED THROUGH BORE
  • Spline Minor Diameter: 0.8767 INCHES NOMINAL THROUGH BORE IN
  • Overall Diameter: 4.000 INCHES NOMINAL IN
  • Style Designator: PLAIN FLANGE
  • Spline Length: 1.400 INCHES NOMINAL THROUGH BORE IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-139-9691, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Tennant Company. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-01-139-9691
Primary Part Number78006
Item NameCoupling,shaft,rigid
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerTennant Company
StatusACTIVE
Spline Pressure Angle in Deg30.000 THROUGH BORE
Spline TypeINVOLUTE THROUGH BORE
Bore ShapeSPLINED THROUGH BORE
Spline Minor Diameter0.8767 INCHES NOMINAL THROUGH BORE IN
Overall Diameter4.000 INCHES NOMINAL IN
Style DesignatorPLAIN FLANGE
Spline Length1.400 INCHES NOMINAL THROUGH BORE IN
Spline Major Diameter1.0000 INCHES NOMINAL THROUGH BORE IN
Material Document and ClassificationAISI 4150 ASSN STD SINGLE MATERIAL RESPONSE
Spline Quantity15 THROUGH BORE
Body MaterialSTEEL COMP 4150
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5120-00-104-18602301317 INTERCHANGEABLE
Key,socket Head Screw
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6620-00-145-67777800-6D INTERCHANGEABLE
Adapter,engine Pressure Transmit
Peerless of America Inc
5998-01-083-1572 INTERCHANGEABLE
Circuit Card Assembly
5940-01-279-3814 INTERCHANGEABLE
Terminal Board
5330-01-711-186378006 INTERCHANGEABLE
Seal Ring,metal
Williams International Co., L.l.c.
Cross-Reference Index
Part NumberManufacturer
78006 Tennant Company (USA)
Related Parts
5120-00-104-1860INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
2301317
6620-00-145-6777INTERCHANGEABLE
ADAPTER,ENGINE PRESSURE TRANSMIT
7800-6D
5998-01-083-1572INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5940-01-279-3814INTERCHANGEABLE
TERMINAL BOARD
5330-01-711-1863INTERCHANGEABLE
SEAL RING,METAL
78006

Frequently Asked Questions

What is NSN 3010-01-139-9691?

NSN 3010-01-139-9691 is a Coupling,shaft,rigid, manufactured by Tennant Company, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-01-139-9691?

NSN 3010-01-139-9691 has 1 cross-referenced part number: 78006 (Tennant Company).

What NSN replaces 3010-01-139-9691?

There are 5 known substitutes for 3010-01-139-9691: 5120-00-104-1860, 6620-00-145-6777, 5998-01-083-1572 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 78006?

Key specifications for 78006: Spline Pressure Angle in Deg: 30.000 THROUGH BORE; Spline Type: INVOLUTE THROUGH BORE; Bore Shape: SPLINED THROUGH BORE; Spline Minor Diameter: 0.8767 INCHES NOMINAL THROUGH BORE IN. 13 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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