H552-0602-55 — BELL CRANK

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

H552-0602-55: BELL CRANK.

The BELL CRANK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, bore_length: 4.000 INCHES NOMINAL IN, bore_diameter: 2.149 INCHES MINIMUM AND 2.499 INCHES MAXIMUM IN, special_features: BOTH ENDS HAS 2.000 DIAMETER BOSS ON BOTH SIDES OF CLEVIS. FULCRUM HAS 4.750 DIAMETER BOSS ON BOTH SIDES, style_designator: RAISED FACE PIVOT HOLE, CLEVIS BOTH ENDS, fulcrum_bore_shape: SPLINED.

This part is cataloged in the U.S. Government catalog under NSN 3040-01-499-0553, 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

H552-0602-55

NSN: 3040-01-499-0553
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)

SPECIFICATIONS

material	COPPER ALLOY
bore_length	4.000 INCHES NOMINAL IN
bore_diameter	2.149 INCHES MINIMUM AND 2.499 INCHES MAXIMUM IN
special_features	BOTH ENDS HAS 2.000 DIAMETER BOSS ON BOTH SIDES OF CLEVIS. FULCRUM HAS 4.750 DIAMETER BOSS ON BOTH SIDES
style_designator	RAISED FACE PIVOT HOLE, CLEVIS BOTH ENDS
fulcrum_bore_shape	SPLINED
end_hole/ball_diameter	1.000 INCHES MINIMUM AND 1.005 INCHES MAXIMUM SECOND END IN
end_item_identification	MAIN BALLAST TANK VENT VALVE ASSEMBLY FOR LOS ANGELES CLASS SUBMARINE (688)
material_document_and_classification	MIL-B-24480 MIL SPEC SINGLE MATERIAL RESPONSE
center_to_center_distance_between_fulcrum_and_arm_end_hole/slot/ball	4.250 INCHES NOMINAL FIRST END IN
NSN	3040-01-499-0553

COMPONENT DIAGRAM

KEY FEATURES

•

CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL: 5.000 INCHES NOMINAL SECOND END IN

•

END HOLE/BALL DIAMETER: 0.751 INCHES MINIMUM AND 0.755 INCHES MAXIMUM FIRST END IN

•

BORE LENGTH: 4.000 INCHES NOMINAL IN

•

STYLE DESIGNATOR: RAISED FACE PIVOT HOLE, CLEVIS BOTH ENDS

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-24480 MIL SPEC SINGLE MATERIAL RESPONSE

•

FULCRUM BORE SHAPE: SPLINED

TECHNICAL CHARACTERISTICS

CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL	5.000 INCHES NOMINAL SECOND END IN
CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL	4.250 INCHES NOMINAL FIRST END IN
END HOLE/BALL DIAMETER	0.751 INCHES MINIMUM AND 0.755 INCHES MAXIMUM FIRST END IN
END HOLE/BALL DIAMETER	1.000 INCHES MINIMUM AND 1.005 INCHES MAXIMUM SECOND END IN
BORE LENGTH	4.000 INCHES NOMINAL IN
STYLE DESIGNATOR	RAISED FACE PIVOT HOLE, CLEVIS BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-B-24480 MIL SPEC SINGLE MATERIAL RESPONSE
FULCRUM BORE SHAPE	SPLINED
SPECIAL FEATURES	BOTH ENDS HAS 2.000 DIAMETER BOSS ON BOTH SIDES OF CLEVIS. FULCRUM HAS 4.750 DIAMETER BOSS ON BOTH SIDES
END ITEM IDENTIFICATION	MAIN BALLAST TANK VENT VALVE ASSEMBLY FOR LOS ANGELES CLASS SUBMARINE (688)

SUBSTITUTES & CROSS-REFERENCES 1

563-7066807Reference 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 H552-0602-55?

H552-0602-55 is a BELL CRANK.

What parts can replace H552-0602-55?

There is 1 known substitute for H552-0602-55: 563-7066807. Substitute compatibility should be verified for your specific system.

What is the NSN for H552-0602-55?

H552-0602-55 is cataloged in the U.S. Government catalog under NSN 3040-01-499-0553. This indicates validated use in U.S. government and defense supply chains.

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