Model: ASME-B18.5

Square Neck Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.874 inches

Fastener Length

3.500 inches

Head Style

Round

Head Diameter

Between 0.688 inches and 0.719 inches

Head Height

Between 0.156 inches and 0.176 inches

Neck Length

Between 0.156 inches and 0.187 inches

Thread Diameter

0.312 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

55000 pounds per square inch

Hardness Rating

95.0 rockwell b

Neck Width

Between 0.307 inches and 0.324 inches

Material

Steel

Material Specification

Asme-b18 grade 1 assn standard single material response

Surface Treatment

Zinc

Surface Treatment Specification

Astm-b633 assn standard single treatment response

Thread Series Designator

Unc

NSN

5306-00-058-0518

Part Number

ASME-B18.5

Description

Bolt,square Neck

CAGE

05047

A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.

Part ASME-B18.5 NSN 5306-00-058-0518

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15939

FIIG:

A003B0

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:

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: 7318152000
SITC: 69421
End Use: Iron and steel products, other
NAICS: 332722
USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment