Model: FNT20-524

Extended Washer Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

0.501 inches

Lubrication

Dry film lubricant

Overall Height

0.385 inches

Nut Style

Double hexagon

Washer Thickness

0.042 inches

Width Across Flats

Between 0.367 inches and 0.376 inches

Tempurature Rating

750.0 degrees fahrenheit

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.312 inches

Part Name Assigned By Controlling Agency

Navy special project

Material

Titanium alloy

Material Specification

Ams 4928 assn standard single material response

NSN

5310-01-082-6167

Part Number

FNT20-524

Description

Nut,self-locking,extended Washer

CAGE

56878

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part FNT20-524 NSN 5310-01-082-6167

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29729

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:

136500

UFC:

68455

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 8108908000
SITC: 69985
End Use: Nonferrous metals, other
NAICS: 331491
USDA: 1

Freight Class: Other wrought titanium, nesoi