Model: 74640C8

Hexagon Slotted Plain Nut

Special Features:

Use on f15 nlg critical shear joints procluding use of an320 series

Properties:

Thread Class

Thread Pitch Diameters

+0.4675 to 0.4717 inches

Thread Direction

Right-hand

Nut Style

Slotted, hexagon

Nut Height

0.250 inches

Width Across Flats

Between 0.738 inches and 0.752 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.500 inches

Criticality Code Justification

Supp

Bearing Surface Type

Chamfered

Material

Stainless steel

Supplementary Features

Item is not csi but has critical features such as heat treatment, surface finish, or material type and special inspection requirements such as magnetic particle insp. Or fluorescent penetrant inspection

NSN

5310-01-317-9021

Part Number

74640C8

Description

Nut,plain,slotted,hexagon

CAGE

56878

A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.

Part 74640C8 NSN 5310-01-317-9021

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01859

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

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