Model: H54657-9

Double Hexagon Self-locking Nut

Special Features:

210 ksi

Properties:

Thread Class

Thread Direction

Right-hand

Lubrication

Molybdenum disulfide dry film lubricant

Nut Style

Double hexagon

Nut Height

0.509 inches

End Application

1520-01-355-8250 helicopter, attack

Width Across Flats

0.987 inches

Tempurature Rating

450.0 degrees fahrenheit

Thread Series

Unjf

Thready Qty Per Inch (tpi)

18.0

Hardness Rating

Between 38.0 rockwell c and 45.0 rockwell c

Thread Size

0.562 inches

Bearing Surface Type

Flat

Part Name Assigned By Controlling Agency

Nut, shear, double hex, self-locking

Material

Steel

Material Specification

Ams 6304 assn standard single material response or asm 6322 assn standard single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416, type ii. Class 2 federal specification single treatment response

NSN

5310-01-574-1658

Part Number

H54657-9

Description

Nut,self-locking,double Hexagon

CAGE

06950

A nut having 12 drive points and 24 sides. The bearing surface may be washer faced. An integral locking feature is incorporated in the design of the head or in the threads.

Part H54657-9 NSN 5310-01-574-1658

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05276

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:

573

TCC:

SHC:

ACC:

Equipment for Aircraft

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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