Model: MS20500-720A

Hexagon Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Nut Style

Hexagon

Nut Height

Between 0.421 inches and 0.469 inches

Width Across Flats

Between 0.679 inches and 0.690 inches

Tempurature Rating

1200.0 degrees fahrenheit

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.438 inches

Countersink Angle

88.0 degrees nut

Bearing Surface Type

Chamfered

Bearing Surface Finish

125.0 microinches

Material

Steel uns s34720 or steel uns s34723

Material Specification

Ams 5642 s34720/s34723 assn standard single material response

Precious Material And Location

All surfaces silver

Precious Material

Silver

Surface Treatment

Silver

Surface Treatment Specification

Ams 2410 assn standard single treatment response

NSN

5310-00-493-4020

Part Number

MS20500-720A

Description

Nut,self-locking,hexagon

CAGE

96906

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.

Part MS20500-720A NSN 5310-00-493-4020

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05277

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

3.0000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

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