Model: 751678-1-1

Internal Wrench Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Width Between Flats

Between 0.188 inches and 0.190 inches

Locking Feature

Prevailing torque with metallic insert

Internal Drive Style

Socket

Nut Diameter

1.000 inches

Nut Height

0.975 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Hardness Rating

Between 36.0 rockwell c and 40.0 rockwell c

Thread Size

0.250 inches

Material

Steel comp 4340

Material Specification

Ams 6415 assn standard single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Hs74 type 2, class 2 mfr ref single treatment response

NSN

5310-01-210-9449

Part Number

751678-1-1

Description

Nut,self-locking,internal Wrench

CAGE

73030

A cylindrical-shaped nut, the end opposite the bearing surface being designed with an internal socket or splines for use with an inserted wrench. An integral feature is incorporated for locking on the threads of a mating member.

Part 751678-1-1 NSN 5310-01-210-9449

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05284

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:

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