Model: LH6521-048

Double Hexagon Self-locking Nut

Description:

3b thread class, right-hand , prevailing torque all metal design locking feature, double hexagon nut style, 0.189 inches nut height.

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Nut Style

Double hexagon

Nut Height

Between 0.189 inches and 0.199 inches

Width Across Flats

Between 0.431 inches and 0.439 inches

Tempurature Rating

450.0 degrees fahrenheit

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Hardness Rating

Between 39.0 rockwell c and 45.0 rockwell c

Thread Size

0.250 inches

Bearing Surface Type

Chamfered or washer faced

Material

Steel comp 8740

Material Specification

Ams6322 assn standard single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416, type 1, cl 3 federal specification single treatment response

NSN

5310-00-008-3696

Part Number

LH6521-048

Description

Nut,self-locking,double Hexagon

CAGE

019L2

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 LH6521-048 NSN 5310-00-008-3696

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:

0.1000lbs

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

End Items End applications NSN 5310-00-008-3696 is a component of

Rotary Wing Blade
011138188
Ch 47 (rotary Wing Aircraft)
Aircraft Black Hawk (mh-60k Special Operations Aircraft)
H-60 Seahawk Helicopter
Eh-60a Electronic Countermeasures Helicopter
Hh-60l Medivac
Hh-60j Uscg Search And Rescue Helicopter
Hh-60h Search And Rescue Helicopter
Sh-60f Carrier Based Asw Helicopter
Sof / Hh-53j/m Pave Low Helicopter
Mh-53e Helicopter
Iroquois Hh/uh-1 Helicopter

Pricing & Availability Check

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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