LCN12-428 Castellated Locknut

SPS Technologies

Part # LCN12-428

The LCN12-428 castellated locknut ensures secure fastening with its steel construction, compliant with AMS5737 and AMS5525. Features include a 0.250" nominal thread size, right-hand direction, and high-temp performance (up to 450°F) thanks to its all-metal design and dry film lubricant.
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Overview

The LCN12-428 castellated locknut is engineered for secure fastening across a range of applications. Made from steel and compliant with AMS5737 and AMS5525 specifications, this locknut ensures reliability and strength. Featuring a nominal thread size of 0.250 inches and a right-hand thread direction, it utilizes a prevailing torque all-metal design for robust locking. The slotted hexagon style allows for straightforward installation and removal, while the dry film lubricant supports performance in high-temperature environments, rated up to 450 degrees Fahrenheit. The washer-faced bearing surface promotes even load distribution, enhancing the durability of the assembly.

Features & Benefits

Technical Information

ATA Number

32,
57

ATA Chapter

Landing Gear
Wings

ATA Group

Airframe Systems
Structure

ATA Section

General
MAIN GEAR
NOSE LANDING GEAR
MAIN GEAR EXTENSION AND RETRACTION

NIIN

001068805

NSN

5310-01-116-1207

FSCG

5310

FSCG Category

Nuts and Washers

UNSPSC Code

31161716

UNSPSC Category

Locknuts

Lead Time (Days)

139

Certification Status

CERTIFIED

ATA Part Number

LCN12-428

CAGE Code

56878

Commercial Part

Yes

Harmonized Tariff Schedule Code

7318160085

Repairable

No

Specification Part Number

LCN12-428

Supplier Part Number

LCN12-428

Landing Gear Part

Yes

Leasable

No

Returnable

Yes

Aircraft Makes

Boeing

Aircraft Models

727
757-200
767-200
737
757-300
767-400
2 more

Shipping Details

ITAR Compliant

No

Part Explosive

No

ECCN

9A991.d

Dry Ice

No
Buy now from
Commercial Spares
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