6643140-10 — BOLT,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

6643140-10: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include special_features: 3/4-10 X 4 INCH TO SEPERATE FIRST AND SECOND REDUCTION BEARING CAPS HORIZONTAL JOINTS IN, thread_direction: RIGHT-HAND, nominal_thread_diameter: 0.750 INCHES IN, thread_quantity_per_inch: 10, thread_series_designator: UNIFIED NATIONAL COARSE (UNC), part_name_assigned_by_controlling_agency: JACKING BOLT. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-653-9477, 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

6643140-10

NSN: 5306-01-653-9477
FSC: 5306 — Bolts
CAGE: 17454 — TIMKEN GEARS & SERVICES INC. DIV PHILADELPHIA GEAR (USA)

SPECIFICATIONS

special_features	3/4-10 X 4 INCH TO SEPERATE FIRST AND SECOND REDUCTION BEARING CAPS HORIZONTAL JOINTS IN
thread_direction	RIGHT-HAND
nominal_thread_diameter	0.750 INCHES IN
thread_quantity_per_inch	10
thread_series_designator	UNIFIED NATIONAL COARSE (UNC)
part_name_assigned_by_controlling_agency	JACKING BOLT
NSN	5306-01-653-9477

COMPONENT DIAGRAM

KEY FEATURES

•

NOMINAL THREAD DIAMETER: 0.750 INCHES IN

•

THREAD DIRECTION: RIGHT-HAND

•

THREAD QUANTITY PER INCH: 10

•

THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)

TECHNICAL CHARACTERISTICS

NOMINAL THREAD DIAMETER	0.750 INCHES IN
THREAD DIRECTION	RIGHT-HAND
SPECIAL FEATURES	3/4-10 X 4 INCH TO SEPERATE FIRST AND SECOND REDUCTION BEARING CAPS HORIZONTAL JOINTS IN
PART NAME ASSIGNED BY CONTROLLING AGENCY	JACKING BOLT
THREAD QUANTITY PER INCH	10
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

SUBSTITUTES & CROSS-REFERENCES 1

S9241-CU-MMA-010 REV 2 TABLE 6-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 6643140-10?

6643140-10 is a BOLT,MACHINE.

What parts can replace 6643140-10?

There is 1 known substitute for 6643140-10: S9241-CU-MMA-010 REV 2 TABLE 6-1. Substitute compatibility should be verified for your specific system.

What is the NSN for 6643140-10?

6643140-10 is cataloged in the U.S. Government catalog under NSN 5306-01-653-9477. This indicates validated use in U.S. government and defense supply chains.

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