The 663653 Self-Locking Hexagon Nut, made from 8740 steel alloy, provides reliable performance in aviation. Its slotted design, right-hand thread, and cadmium treatment enhance security and corrosion resistance, complying with AMS standards.
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Overview
The 663653 Self-Locking Hexagon Nut is engineered for reliability and performance in aviation applications. Constructed from high-quality steel alloy 8740, this nut features a slotted hexagon design that ensures secure fastening. With a right-hand thread and a chamfered bearing surface, it provides optimal engagement and stability. The nut is treated with cadmium for enhanced corrosion resistance, making it suitable for demanding environments. Its hardness rating ranges from 30.0 to 38.0 Rockwell C, ensuring durability and strength under pressure. This nut meets stringent AMS standards, making it a trusted choice for critical assembly requirements in aircraft manufacturing and maintenance.
Features & Benefits
Provides a slotted hexagon design for easy installation and removal
Features a free-running all-metal locking mechanism for secure fastening
Includes chamfered bearing surface for improved alignment
Designed with a right-hand thread direction for standard engagement
Technical Information
NIIN
001698652
NSN
5310-00-169-8652
FSCG
5310
FSCG Category
Nuts and Washers
UNSPSC Code
31161727
UNSPSC Category
Hexagonal nuts
Lead Time (Days)
402
Product Class Description
Hexagonal nuts
Country of Origin
United States
Harmonized Tariff Schedule Code
7318160015
Manufacturer CAGE Code
56878
Storage Required
No
Unit Of Measure
EA
Pieces Per Pound
0
DFAR Applicable
Yes
Revision Level Applicable
Yes
Product Class
31161727
Material Composition
ALLOY STEEL
Design Holder CAGE Code
77445
Design Holder
PRATT & WHITNEY AIR
Potential Alternates
5310001698652
Aircraft Makes
Boeing
Aircraft Models
747-400
727
727-100
747
727-200
Shipping Details
Dry Ice
No
ECCN
EAR99
Proprietary Part
No
Hazmat
No
Buy now from
Boeing Distribution Services
This product is no longer available.
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