6438K51 — COLLAR,SHAFT

✓ Government record, cited

— · ORING SEAL

PRODUCT OVERVIEW

6438K51: COLLAR,SHAFT.

The COLLAR,SHAFT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303, thickness: 0.40625 INCHES NOMINAL IN, bore_diameter: 0.500 INCHES NOMINAL IN, outside_diameter: 1.125 INCHES NOMINAL IN, special_features: BORE THREAD IS 1/2-13 UNC;SECURING HOLE TO USE A NO.8-32 X 1/2" SOCKET HEAD CAP SCREW;ITEM IS ROHS COMPLIANT, style_designator: PLAIN ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-655-8882, 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

6438K51

NSN: 5340-01-655-8882
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)

SPECIFICATIONS

material	STEEL COMP 303
thickness	0.40625 INCHES NOMINAL IN
bore_diameter	0.500 INCHES NOMINAL IN
outside_diameter	1.125 INCHES NOMINAL IN
special_features	BORE THREAD IS 1/2-13 UNC;SECURING HOLE TO USE A NO.8-32 X 1/2" SOCKET HEAD CAP SCREW;ITEM IS ROHS COMPLIANT
style_designator	PLAIN ROUND
nominal_thread_size	0.1640 INCHES SINGLE HOLE IN
securing_hole_quantity	1
hole_diameter_and_location	0.1640 INCHES NOMINAL SINGLE HOLE IN
securing_hole_type_and_location	THREADED SINGLE HOLE
part_name_assigned_by_controlling_agency	THREADED-BORE ONE-PIECE CLAMP-ON SHAFT COLLAR
screw_thread_series_designator_and_location	SINGLE HOLE UNIFIED NATIONAL COARSE (UNC)
NSN	5340-01-655-8882

COMPONENT DIAGRAM

KEY FEATURES

•

SECURING HOLE TYPE AND LOCATION: THREADED SINGLE HOLE

•

STYLE DESIGNATOR: PLAIN ROUND

•

SCREW THREAD SERIES DESIGNATOR AND LOCATION: SINGLE HOLE UNIFIED NATIONAL COARSE (UNC)

•

OUTSIDE DIAMETER: 1.125 INCHES NOMINAL IN

•

HOLE DIAMETER AND LOCATION: 0.1640 INCHES NOMINAL SINGLE HOLE IN

•

NOMINAL THREAD SIZE: 0.1640 INCHES SINGLE HOLE IN

•

SECURING HOLE QUANTITY: 1

TECHNICAL CHARACTERISTICS

SECURING HOLE TYPE AND LOCATION	THREADED SINGLE HOLE
STYLE DESIGNATOR	PLAIN ROUND
SCREW THREAD SERIES DESIGNATOR AND LOCATION	SINGLE HOLE UNIFIED NATIONAL COARSE (UNC)
OUTSIDE DIAMETER	1.125 INCHES NOMINAL IN
HOLE DIAMETER AND LOCATION	0.1640 INCHES NOMINAL SINGLE HOLE IN
NOMINAL THREAD SIZE	0.1640 INCHES SINGLE HOLE IN
SECURING HOLE QUANTITY	1
SPECIAL FEATURES	BORE THREAD IS 1/2-13 UNC;SECURING HOLE TO USE A NO.8-32 X 1/2" SOCKET HEAD CAP SCREW;ITEM IS ROHS COMPLIANT
PART NAME ASSIGNED BY CONTROLLING AGENCY	THREADED-BORE ONE-PIECE CLAMP-ON SHAFT COLLAR
BORE DIAMETER	0.500 INCHES NOMINAL IN

OTHER ITEMS IN FSC 5340 — Hardware, Commercial

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

5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275

SUBSTITUTES & CROSS-REFERENCES 1

6331E62-P14Same 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 6438K51?

6438K51 is a COLLAR,SHAFT.

What parts can replace 6438K51?

There is 1 known substitute for 6438K51: 6331E62-P14. Substitute compatibility should be verified for your specific system.

What is the NSN for 6438K51?

6438K51 is cataloged in the U.S. Government catalog under NSN 5340-01-655-8882. This indicates validated use in U.S. government and defense supply chains.

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6438K51 — COLLAR,SHAFT

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