Model: MN53

Extended Washer Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

0.330 inches

Lubrication

Dry film lubricant

Overall Height

Between 0.120 inches and 0.130 inches

Nut Style

Hexagon

End Application

C-17a aircraft

Width Across Flats

Between 0.243 inches and 0.252 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Hardness Rating

49.0 rockwell c

Thread Size

0.190 inches

Part Name Assigned By Controlling Agency

Nut, self-locking, extended

Material

Iron alloy 660

Material Specification

Ams 5731 assn standard single material response and ams 5734 assn standard single material response

NSN

5310-01-517-3636

Part Number

MN53

Description

Nut,self-locking,extended Washer

CAGE

73197

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part MN53 NSN 5310-01-517-3636

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29730

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:

093490

UFC:

50270

LTL:

50.0

LCL:

WCC:

713

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