Model: 1818051-3

Internally Relieved Body Bolt

Special Features:

Undercut diameter between head and threads 0.125 in. Wide by 0.314 in. Dia

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.653 inches and 0.723 inches

Fastener Length

Between 0.793 inches and 0.833 inches

Head Style

Hexagon

Head Height

Between 0.177 inches and 0.197 inches

Width Between Flats

0.437 inches

Concentric Hole Diameter

0.218 inches

Thread Diameter

0.375 inches

Thready Qty Per Inch (tpi)

Material

Steel comp 303

Material Specification

Astm a582 assn standard single material response

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Style Designator

Concentric hole unthreaded

Thread Series Designator

Unf

NSN

5306-01-068-5494

Part Number

1818051-3

Description

Bolt,internally Relieved Body

CAGE

03956

An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see bolt, fluid passage.

Part 1818051-3 NSN 5306-01-068-5494

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06676

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