Model: SL418-4

Barrel Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Counterbore Diameter

0.291 inches nut

Nut Style

Floating self-locking barrel

Nut Diameter

Between 0.525 inches and 0.528 inches

Nut Length

Between 0.615 inches and 0.635 inches

Nut Height

0.406 inches

Nut Counterbore Depth

0.115 inches nut and 0.135 inches nut

Tempurature Rating

Between -65.0 degrees fahrenheit and 450.0 degrees fahrenheit

Thread Series

Unjf

Features Provided

Floating nut

Thready Qty Per Inch (tpi)

Hardness Rating

Between 40.0 rockwell c and 45.0 rockwell c

Thread Size

0.250 inches

Material

Steel comp 4340

Material Specification

Aisi assn standard single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416, type 2, cl 2 federal specification single treatment response

NSN

5310-00-412-0017

Part Number

SL418-4

Description

Nut,self-locking,barrel

CAGE

97393

A nut of cylindrical or partly cylindrical cross-section with integral threads perpendicular to the axial centerline. Ends may be flat or flanged. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, round.

Part SL418-4 NSN 5310-00-412-0017

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15891

FIIG:

A021A0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7318160000
SITC: 69421
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Nuts of iron or steel