Model: 264638

Externally Relieved Body Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

1.875 inches

Fastener Length

Between 6.865 inches and 6.885 inches

Head Style

Hexagon

Head Height

0.312 inches

Width Between Flats

0.438 inches

Hole Diameter

0.063 inches

First Diameter From Head

Between 0.498 inches and 0.499 inches

Second Diameter From Head

Between 0.365 inches and 0.385 inches

Third Diameter From Head

Between 0.498 inches and 0.499 inches

Fourth Diameter From Head

Between 0.740 inches and 0.760 inches

Distance From Largest Bearing Surface Of Head To End Of First Diameter

0.500 inches

Distance From Largest Bearing Surface Of Head To End Of Second Diameter

3.220 inches

Distance From Largest Bearing Surface Of Head To End Of Third Diameter

4.158 inches

Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter

4.220 inches

Thread Diameter

0.500 inches

Hole Quantity

Hole Type

Drilled

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

125000 pounds per square inch

Hole Configuration Style

Hexagon flats

Externally Relieved Body Diameter Quantity

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel comp 302

Thread Series Designator

Unf

NSN

5306-00-094-4542

Part Number

264638

Description

Bolt,externally Relieved Body

CAGE

98897

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.

Part 264638 NSN 5306-00-094-4542

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06675

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