DS-937978 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

DS-937978: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_length: 1.274 INCHES MINIMUM AND 1.366 INCHES MAXIMUM IN, first_end_style: SPLINED (INVOLUTE), first_end_diameter: 0.6928 INCHES NOMINAL IN, end_item_identification: AIRCRAFT MODEL SH-60F, first_end_spline_length: 0.854 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-339-7507, 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

DS-937978

NSN: 3040-01-339-7507
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING
step_quantity	1
overall_length	1.274 INCHES MINIMUM AND 1.366 INCHES MAXIMUM IN
first_end_style	SPLINED (INVOLUTE)
first_end_diameter	0.6928 INCHES NOMINAL IN
end_item_identification	AIRCRAFT MODEL SH-60F
first_end_spline_length	0.854 INCHES NOMINAL IN
first_end_pitch_diameter	0.8000 INCHES NOMINAL IN
first_end_pressure_angle	30.0 DEGREES NOMINAL
first_end_spline_quantity	16
first_end_spline_major_diameter	0.8900 INCHES MINIMUM AND 0.8997 INCHES MAXIMUM IN
first_end_spline_minor_diameter	0.7500 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN
NSN	3040-01-339-7507

COMPONENT DIAGRAM

KEY FEATURES

•

FIRST END PITCH DIAMETER: 0.8000 INCHES NOMINAL IN

•

STEP QUANTITY: 1

•

FIRST END DIAMETER: 0.6928 INCHES NOMINAL IN

•

FIRST END SPLINE MAJOR DIAMETER: 0.8900 INCHES MINIMUM AND 0.8997 INCHES MAXIMUM IN

•

FIRST END STYLE: SPLINED (INVOLUTE)

•

FIRST END PRESSURE ANGLE: 30.0 DEGREES NOMINAL

•

FIRST END SPLINE LENGTH: 0.854 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

FIRST END PITCH DIAMETER	0.8000 INCHES NOMINAL IN
STEP QUANTITY	1
FIRST END DIAMETER	0.6928 INCHES NOMINAL IN
FIRST END SPLINE MAJOR DIAMETER	0.8900 INCHES MINIMUM AND 0.8997 INCHES MAXIMUM IN
FIRST END STYLE	SPLINED (INVOLUTE)
OVERALL LENGTH	1.274 INCHES MINIMUM AND 1.366 INCHES MAXIMUM IN
FIRST END PRESSURE ANGLE	30.0 DEGREES NOMINAL
FIRST END SPLINE LENGTH	0.854 INCHES NOMINAL IN
FIRST END SPLINE QUANTITY	16
END ITEM IDENTIFICATION	AIRCRAFT MODEL SH-60F

SUBSTITUTES & CROSS-REFERENCES 2

937978Reference document

Same NSN cross-reference

Reference document — Secondary reference

70654-23801-102Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 DS-937978?

DS-937978 is a SHAFT,SHOULDERED.

What parts can replace DS-937978?

There are 2 known substitutes for DS-937978: 937978, 70654-23801-102. Substitute compatibility should be verified for your specific system.

What is the NSN for DS-937978?

DS-937978 is cataloged in the U.S. Government catalog under NSN 3040-01-339-7507. This indicates validated use in U.S. government and defense supply chains.

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DS-937978 — SHAFT,SHOULDERED

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