H525-7608-4 — GEARSHAFT,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

H525-7608-4: GEARSHAFT,SPUR.

The GEARSHAFT,SPUR is a the manufacturer industrial component. Key specifications include face_width: 1.130 INCHES NOMINAL IN, shaft_type: SHOULDERED, gear_material: STEEL COMP 4340, overall_length: 2.500 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, shaft_end_size: 1.250 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-500-1978, 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

H525-7608-4

NSN: 3040-01-500-1978
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)

SPECIFICATIONS

face_width	1.130 INCHES NOMINAL IN
shaft_type	SHOULDERED
gear_material	STEEL COMP 4340
overall_length	2.500 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
shaft_end_size	1.250 INCHES IN
shaft_end_type	SPLINED INVOLUTE, INTERNAL
shaft_material	STEEL COMP 4340
teeth_quantity	16
diametral_pitch	8
gear_outside_diameter	2.250 INCHES NOMINAL IN
gear_location_on_shaft	OFF CENTER BETWEEN ENDS OF SHAFT
NSN	3040-01-500-1978

COMPONENT DIAGRAM

KEY FEATURES

•

SHAFT TYPE: SHOULDERED

•

SHAFT MATERIAL: STEEL COMP 4340

•

SHAFT LARGEST DIAMETER: 1.500 INCHES NOMINAL IN

•

SHAFT END SIZE: 1.250 INCHES IN

•

TEETH QUANTITY: 16

•

DIAMETRAL PITCH: 8

•

GEAR OUTSIDE DIAMETER: 2.250 INCHES NOMINAL IN

•

LONGER SHAFT SEGMENT LENGTH: 1.060 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

SHAFT TYPE	SHOULDERED
SHAFT MATERIAL	STEEL COMP 4340
SHAFT LARGEST DIAMETER	1.500 INCHES NOMINAL IN
SHAFT END SIZE	1.250 INCHES IN
TEETH QUANTITY	16
DIAMETRAL PITCH	8
GEAR OUTSIDE DIAMETER	2.250 INCHES NOMINAL IN
LONGER SHAFT SEGMENT LENGTH	1.060 INCHES NOMINAL IN
OVERALL LENGTH	2.500 INCHES NOMINAL IN
GEAR MATERIAL	STEEL COMP 4340

SUBSTITUTES & CROSS-REFERENCES 2

501-7066646Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

H525-7608Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is H525-7608-4?

H525-7608-4 is a GEARSHAFT,SPUR.

What parts can replace H525-7608-4?

There are 2 known substitutes for H525-7608-4: 501-7066646, H525-7608. Substitute compatibility should be verified for your specific system.

What is the NSN for H525-7608-4?

H525-7608-4 is cataloged in the U.S. Government catalog under NSN 3040-01-500-1978. This indicates validated use in U.S. government and defense supply chains.

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