X8644853 — CLAMP,HUB

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

X8644853: CLAMP,HUB.

The CLAMP,HUB is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1018 OR STEEL COMP 1020, thickness: 1.620 INCHES NOMINAL IN, bore_diameter: 0.6250 INCHES NOMINAL IN, overall_width: 1.880 INCHES NOMINAL IN, overall_length: 1.880 INCHES NOMINAL IN, special_features: TWO SECURING BOLTS. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-282-1737, 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

X8644853

NSN: 3040-01-282-1737
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 18894 — AIR ARMAMENT CENTER/ EN (USA)

SPECIFICATIONS

material	STEEL COMP 1018 OR STEEL COMP 1020
thickness	1.620 INCHES NOMINAL IN
bore_diameter	0.6250 INCHES NOMINAL IN
overall_width	1.880 INCHES NOMINAL IN
overall_length	1.880 INCHES NOMINAL IN
special_features	TWO SECURING BOLTS
style_designator	RECTANGULAR, SINGLE BOLT SECURED
counterbore_depth	0.2500 INCHES NOMINAL IN
surface_treatment	CADMIUM AND CHROMATE
nominal_thread_size	0.250 INCHES IN
plain_hole_diameter	0.2650 INCHES NOMINAL IN
counterbore_diameter	0.4060 INCHES NOMINAL IN
NSN	3040-01-282-1737

COMPONENT DIAGRAM

KEY FEATURES

•

PLAIN HOLE DIAMETER: 0.2650 INCHES NOMINAL IN

•

CLAMP SECURING HOLE STYLE: THREADED

•

STYLE DESIGNATOR: RECTANGULAR, SINGLE BOLT SECURED

•

MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 FED STD 1ST MATERIAL RESPONSE OR AISI 1018 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1018 ASSN STD SINGLE MATERIAL RESPONSE AND FED STD 66 FED STD 2ND MATERIAL RESPONSE OR AISI 1020 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE

•

COUNTERBORE DEPTH: 0.2500 INCHES NOMINAL IN

•

DISTANCE FROM BORE CENTERLINE TO END: 1.130 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

PLAIN HOLE DIAMETER	0.2650 INCHES NOMINAL IN
CLAMP SECURING HOLE STYLE	THREADED
STYLE DESIGNATOR	RECTANGULAR, SINGLE BOLT SECURED
MATERIAL DOCUMENT AND CLASSIFICATION	FED STD 66 FED STD 1ST MATERIAL RESPONSE OR AISI 1018 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1018 ASSN STD SINGLE MATERIAL RESPONSE AND FED STD 66 FED STD 2ND MATERIAL RESPONSE OR AISI 1020 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH	1.880 INCHES NOMINAL IN
OVERALL WIDTH	1.880 INCHES NOMINAL IN
COUNTERBORE DEPTH	0.2500 INCHES NOMINAL IN
DISTANCE FROM BORE CENTERLINE TO END	1.130 INCHES NOMINAL IN
NOMINAL THREAD SIZE	0.250 INCHES IN
COUNTERBORE DIAMETER	0.4060 INCHES NOMINAL IN

OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment

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

3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224

SUBSTITUTES & CROSS-REFERENCES 1

8644853Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is X8644853?

X8644853 is a CLAMP,HUB.

What parts can replace X8644853?

There is 1 known substitute for X8644853: 8644853. Substitute compatibility should be verified for your specific system.

What is the NSN for X8644853?

X8644853 is cataloged in the U.S. Government catalog under NSN 3040-01-282-1737. This indicates validated use in U.S. government and defense supply chains.

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