Model: H50437-7

Extended Washer Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

0.677 inches

Counterbore Diameter

0.480 inches nut and 0.486 inches nut

Lubrication

Dry film lubricant

Overall Height

0.550 inches

Nut Style

Hexagon

Nut Counterbore Depth

0.225 inches nut and 0.235 inches nut

Width Across Flats

Between 0.492 inches and 0.502 inches

Tempurature Rating

232.0 degrees celsius

Thread Series

Unjf

Thready Qty Per Inch (tpi)

0.437

Hardness Rating

Between 39.0 rockwell c and 43.0 rockwell c

Material

Steel comp 8740 or steel comp 4037

Material Specification

Ams 6322 assn standard single material response or ams 6300 assn standard single material response

Surface Treatment

Tin

Surface Treatment Specification

Mil-t-10727, type 1, cl b military specification single treatment response

NSN

5310-01-447-5050

Part Number

H50437-7

Description

Nut,self-locking,extended Washer

CAGE

15653

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 H50437-7 NSN 5310-01-447-5050

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

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:

576

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