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1128AMM40504-1 — BELL CRANK

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1128AMM40504-1: BELL CRANK.

The BELL CRANK is a the manufacturer industrial component. Key specifications include bore_diameter: 0.5629 INCHES MINIMUM AND 0.5634 INCHES MAXIMUM IN, style_designator: RAISED FACE PIVOT HOLE, CLEVIS BOTH ENDS, end_hole/ball_diameter: 0.1875 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM SECOND END IN, center_to_center_distance_between_fulcrum_and_arm_end_hole/slot/ball: 1.698 INCHES MINIMUM AND 1.708 INCHES MAXIMUM SECOND END IN. This part is cataloged in the U.S.

Government catalog under NSN 1680-00-232-8041, 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
1128AMM40504-1
NSN: 1680-00-232-8041
FSC: 1680 — Miscellaneous Aircraft Accessories and Components
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
bore_diameter0.5629 INCHES MINIMUM AND 0.5634 INCHES MAXIMUM IN
style_designatorRAISED FACE PIVOT HOLE, CLEVIS BOTH ENDS
end_hole/ball_diameter0.1875 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM SECOND END IN
center_to_center_distance_between_fulcrum_and_arm_end_hole/slot/ball1.698 INCHES MINIMUM AND 1.708 INCHES MAXIMUM SECOND END IN
NSN1680-00-232-8041
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BELL CRANK TITLE COMPONENT PN 1128AMM40504-1 MFR BELL CRANK
KEY FEATURES
•
CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL: 1.620 INCHES MINIMUM AND 1.630 INCHES MAXIMUM FIRST END IN
•
END HOLE/BALL DIAMETER: 0.1875 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM SECOND END IN
•
STYLE DESIGNATOR: RAISED FACE PIVOT HOLE, CLEVIS BOTH ENDS
•
BORE DIAMETER: 0.5629 INCHES MINIMUM AND 0.5634 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL1.620 INCHES MINIMUM AND 1.630 INCHES MAXIMUM FIRST END IN
CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL1.698 INCHES MINIMUM AND 1.708 INCHES MAXIMUM SECOND END IN
END HOLE/BALL DIAMETER0.1875 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM SECOND END IN
STYLE DESIGNATORRAISED FACE PIVOT HOLE, CLEVIS BOTH ENDS
BORE DIAMETER0.5629 INCHES MINIMUM AND 0.5634 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 1680 — Miscellaneous Aircraft Accessories and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1680-00-001-1736 1680-00-003-3721 1680-00-009-3782 1680-00-009-6180 1680-00-475-0002 1680-00-696-6170 1680-00-867-7158 1680-00-885-0923
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 1128AMM40504-1?
1128AMM40504-1 is a BELL CRANK.
What is the NSN for 1128AMM40504-1?
1128AMM40504-1 is cataloged in the U.S. Government catalog under NSN 1680-00-232-8041. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.