42391-50 — COUPLING,SHAFT,RIGID

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

42391-50: COUPLING,SHAFT,RIGID.

The COUPLING,SHAFT,RIGID is a the manufacturer industrial component. Key specifications include bore_shape: SPLINED SECOND END, spline_type: INVOLUTE SECOND END, body_material: STEEL CORROSION RESISTING, hole_diameter: 0.3130 INCHES NOMINAL IN, spline_length: 1.010 INCHES NOMINAL SECOND END IN, overall_length: 2.220 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3010-01-174-9199, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

42391-50

NSN: 3010-01-174-9199
FSC: 3010 — Torque Converters and Speed Changers
CAGE: 82402 — TRIUMPH GEAR SYSTEMS INC DBA TRIUMPH GEAR SYSTEMS INC (USA)

SPECIFICATIONS

bore_shape	SPLINED SECOND END
spline_type	INVOLUTE SECOND END
body_material	STEEL CORROSION RESISTING
hole_diameter	0.3130 INCHES NOMINAL IN
spline_length	1.010 INCHES NOMINAL SECOND END IN
overall_length	2.220 INCHES NOMINAL IN
spline_quantity	20 SECOND END
overall_diameter	4.680 INCHES NOMINAL IN
special_features	COUNTERBORE DIAMETER: 1.770 IN. NOMINAL; COUNTERBORE DEPTH: 1.210 IN. NOMINAL; PITCH DIAMETER: 1.250 IN. NOMINAL; FLANGE HAS 4 BOLT HOLES; FIRST END, 4.0 IN. DIA. BC; FLANGE IS 0.165 IN. W IN
style_designator	PLAIN SLEEVE
features_provided	BORE COUNTERBORE
surface_treatment	NICKEL
NSN	3010-01-174-9199

COMPONENT DIAGRAM

KEY FEATURES

•

SPLINE MINOR DIAMETER: 1.2000 INCHES NOMINAL SECOND END IN

•

SPLINE TYPE: INVOLUTE SECOND END

•

OVERALL DIAMETER: 4.680 INCHES NOMINAL IN

•

SPLINE LENGTH: 1.010 INCHES NOMINAL SECOND END IN

•

STYLE DESIGNATOR: PLAIN SLEEVE

•

SPLINE MAJOR DIAMETER: 1.3100 INCHES NOMINAL SECOND END IN

•

FEATURES PROVIDED: BORE COUNTERBORE

TECHNICAL CHARACTERISTICS

SPLINE MINOR DIAMETER	1.2000 INCHES NOMINAL SECOND END IN
SPLINE TYPE	INVOLUTE SECOND END
OVERALL DIAMETER	4.680 INCHES NOMINAL IN
SPLINE LENGTH	1.010 INCHES NOMINAL SECOND END IN
STYLE DESIGNATOR	PLAIN SLEEVE
OVERALL LENGTH	2.220 INCHES NOMINAL IN
SPLINE MAJOR DIAMETER	1.3100 INCHES NOMINAL SECOND END IN
FEATURES PROVIDED	BORE COUNTERBORE
BORE SHAPE	SPLINED SECOND END
SPLINE PRESSURE ANGLE IN DEG	14.500 SECOND END

OTHER ITEMS IN FSC 3010 — Torque Converters and Speed Changers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3010-00-001-0013 3010-00-001-0067 3010-00-001-0069 3010-00-001-0095 3010-00-001-1239 3010-00-001-1689 3010-00-001-2168 3010-00-001-2173

SUBSTITUTES & CROSS-REFERENCES 1

9961M50P01Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 42391-50?

42391-50 is a COUPLING,SHAFT,RIGID.

What parts can replace 42391-50?

There is 1 known substitute for 42391-50: 9961M50P01. Substitute compatibility should be verified for your specific system.

What is the NSN for 42391-50?

42391-50 is cataloged in the U.S. Government catalog under NSN 3010-01-174-9199. This indicates validated use in U.S. government and defense supply chains.

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42391-50 — COUPLING,SHAFT,RIGID

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