Model: 726259-3

Shoulder Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.277 inches and 0.278 inches

Fastener Length

0.840 inches

Head Style

Hexagon

Head Height

Between 0.141 inches and 0.172 inches

Width Between Flats

Between 0.428 inches and 0.440 inches

Shoulder Diameter

1.2492 inches first shoulder and 0.2498 inches first shoulder

Shoulder Length

0.442 inches first shoulder

Shank Unthreaded Hole Diameter

0.069 inches first hole and 0.074 inches first hole

Thread Diameter

0.190 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

180000 pounds per square inch

Hardness Rating

40.0 rockwell c and 42.0 rockwell c

Distance From Head Largest Bearing Surface To Shank Hole Center

0.758 inches first hole and 0.788 inches first hole

Shoulder Shape

Round first shoulder

Material

Steel comp 8630

Material Specification

Mil-s-6050 condition f-4 military specification single material response

Surface Treatment

Chromium grip

Thread Series Designator

Unf

NSN

5306-00-638-6533

Part Number

726259-3

Description

Bolt,shoulder

CAGE

98897

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes thumbscrew.

Part 726259-3 NSN 5306-00-638-6533

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

04905

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:

50.0

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