PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40251Coupling,shaft,rigid

Tulsa Winch, Inc. · NSN 3010-01-313-2912 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-01-313-2912 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-313-2912. Primary manufacturer part number: 40251.
Features
  • Coupling,shaft,rigid — FSC 3010
  • Spline Type: INVOLUTE SECOND END
  • Overall Diameter: 3.000 INCHES NOMINAL IN
  • Spline Minor Diameter: 1.500 INCHES NOMINAL SECOND END IN
  • Body Material: STEEL
  • Spline Quantity: 13 SECOND END
  • Features Provided: KEYWAY
  • Spline Major Diameter: 1.750 INCHES NOMINAL SECOND END 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 3010-01-313-2912, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Tulsa Winch, Inc.. Government technical data includes 10 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-01-313-2912
Primary Part Number40251
Item NameCoupling,shaft,rigid
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerTulsa Winch, Inc.
StatusACTIVE
Spline TypeINVOLUTE SECOND END
Overall Diameter3.000 INCHES NOMINAL IN
Spline Minor Diameter1.500 INCHES NOMINAL SECOND END IN
Body MaterialSTEEL
Spline Quantity13 SECOND END
Features ProvidedKEYWAY
Spline Major Diameter1.750 INCHES NOMINAL SECOND END IN
Bore ShapeSPLINED SECOND END
Bore Diameter1.500 INCHES NOMINAL FIRST END IN
Bore ShapeSTRAIGHT FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5940-00-211-5579 INTERCHANGEABLE
Terminal,stud
5995-00-212-194140251 INTERCHANGEABLE
Cable Assembly,radio Frequency
Alliant Techsystems Operations Llc Div Defense Electronic Systems
6105-00-229-0504 INTERCHANGEABLE
Motor,direct Current
5975-00-280-95214-0251 INTERCHANGEABLE
Nut,coupling,electrical Conduit
Breeze-Eastern Llc
4920-00-626-591640-251 INTERCHANGEABLE
Hytrol Test Unit
Hydro-Aire Aerospace Corp
5961-00-758-5816 INTERCHANGEABLE
Transistor
5342-00-838-8820 INTERCHANGEABLE
Shield
5330-00-862-9288SRCCA1445 INTERCHANGEABLE
Gasket
Stillman Seal Corporation Div Stillman Seal Corperation
5961-00-917-34784811-183012 INTERCHANGEABLE
Transistor
Fluke Corp
5961-00-931-823740251 INTERCHANGEABLE
Transistor
Emcore Corporation Div Concord Division
Cross-Reference Index
Part NumberManufacturer
40251 Tulsa Winch, Inc. (USA)
Related Parts
5940-00-211-5579INTERCHANGEABLE
TERMINAL,STUD
5995-00-212-1941INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
40251
6105-00-229-0504INTERCHANGEABLE
MOTOR,DIRECT CURRENT
5975-00-280-9521INTERCHANGEABLE
NUT,COUPLING,ELECTRICAL CONDUIT
4-0251
4920-00-626-5916INTERCHANGEABLE
HYTROL TEST UNIT
40-251
5961-00-758-5816INTERCHANGEABLE
TRANSISTOR
5342-00-838-8820INTERCHANGEABLE
SHIELD
5330-00-862-9288INTERCHANGEABLE
GASKET
SRCCA1445
5961-00-917-3478INTERCHANGEABLE
TRANSISTOR
4811-183012
5961-00-931-8237INTERCHANGEABLE
TRANSISTOR
40251
6350-00-932-7962INTERCHANGEABLE
DATUM BOX ASSY
613905-1
5961-01-181-3052INTERCHANGEABLE
TRANSISTOR
209285-008

Frequently Asked Questions

What is NSN 3010-01-313-2912?

NSN 3010-01-313-2912 is a Coupling,shaft,rigid, manufactured by Tulsa Winch, Inc., classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-01-313-2912?

NSN 3010-01-313-2912 has 1 cross-referenced part number: 40251 (Tulsa Winch, Inc.).

What NSN replaces 3010-01-313-2912?

There are 12 known substitutes for 3010-01-313-2912: 5940-00-211-5579, 5995-00-212-1941, 6105-00-229-0504 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40251?

Key specifications for 40251: Spline Type: INVOLUTE SECOND END; Overall Diameter: 3.000 INCHES NOMINAL IN; Spline Minor Diameter: 1.500 INCHES NOMINAL SECOND END IN; Body Material: STEEL. 12 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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