PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51597-15Shaft Assembly,flexible

Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging · NSN 3040-00-891-9836 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-891-9836 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-891-9836. Primary manufacturer part number: 51597-15.
Features
  • Shaft Assembly,flexible — FSC 3040
  • Tip Length: 0.500 INCHES NOMINAL BOTH ENDS IN
  • Thread Direction: RIGHT-HAND BOTH ENDS
  • Casing Protective Device Type: PLASTIC COVER
  • Cross Section Size and Location: 0.406 INCHES NOMINAL DIAMETER BOTH ENDS IN
  • End Connection Type: THREADED INTERNAL BOTH ENDS
  • Wrenching Facility Type: HEXAGON BOTH ENDS
  • Casing Length Between Ferrules: 75.000 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Casing construction
General Description

The Shaft Assembly,flexible, cataloged under National Stock Number 3040-00-891-9836, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging. Government technical data includes 28 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3040-00-891-9836
Primary Part Number51597-15
Item NameShaft Assembly,flexible
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerSafran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
StatusCANCELLED
Tip Length0.500 INCHES NOMINAL BOTH ENDS IN
Thread DirectionRIGHT-HAND BOTH ENDS
Casing Protective Device TypePLASTIC COVER
Cross Section Size and Location0.406 INCHES NOMINAL DIAMETER BOTH ENDS IN
End Connection TypeTHREADED INTERNAL BOTH ENDS
Wrenching Facility TypeHEXAGON BOTH ENDS
Casing Length Between Ferrules75.000 INCHES NOMINAL IN
MaterialSTEEL CASING
Protective Coating MethodCOATED CASING
Thread LocationINTERNAL BOTH ENDS
MaterialSTEEL CORE
Surface TreatmentZINC CASING
End TypeROUND, INTERNAL SPLINED BOTH ENDS
Minimum Operating Radius3.000 INCHES IN
Spline Length0.250 INCHES NOMINAL BOTH ENDS IN
Core RemovabilityNONREMOVABLE
Casing Outside Diameter0.235 INCHES NOMINAL IN
Torsional Deflection Rating15 DEG FT-LB IN.
Core Diameter0.130 INCHES NOMINAL IN
Spline Pressure Angle in Deg14.5 BOTH ENDS
Width Across Flats0.750 INCHES NOMINAL BOTH ENDS IN
Core Overall Length76.000 INCHES NOMINAL IN
Core Rotation DirectionCLOCKWISE
Spline TypeINVOLUTE BOTH ENDS
Thread Class2 BOTH ENDS
Spline Quantity12 BOTH ENDS
Pitch Diameter0.250 INCHES NOMINAL BOTH ENDS IN
Spline Major Diameter0.296 INCHES MINIMUM AND 0.299 INCHES MAXIMUM BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5315-00-675-973051597-15 INTERCHANGEABLE
Pin,blade Bushing Drive
Precision Speed Manufacturing, Llc
Cross-Reference Index
Part NumberManufacturer
51597-15 PRIMARY Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging (USA)
Related Parts
5315-00-675-9730INTERCHANGEABLE
PIN,BLADE BUSHING DRIVE
51597-15

Frequently Asked Questions

What is NSN 3040-00-891-9836?

NSN 3040-00-891-9836 is a Shaft Assembly,flexible, manufactured by Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging, classified under FSC 3040 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3040-00-891-9836?

NSN 3040-00-891-9836 has 1 cross-referenced part number: 51597-15 (Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging).

What NSN replaces 3040-00-891-9836?

There is 1 known substitute for 3040-00-891-9836: 5315-00-675-9730. Verify interchangeability with system specifications before substitution.

What are the specifications of 51597-15?

Key specifications for 51597-15: Tip Length: 0.500 INCHES NOMINAL BOTH ENDS IN; Thread Direction: RIGHT-HAND BOTH ENDS; Casing Protective Device Type: PLASTIC COVER; Cross Section Size and Location: 0.406 INCHES NOMINAL DIAMETER BOTH ENDS IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3040-00-891-9836 still in active supply?

NSN 3040-00-891-9836 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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