Model: 307674

Machine Bolt

Properties:

Thread Direction

Right-hand

Thread Length

Between 0.640 inches and 0.740 inches

Fastener Length

Between 0.740 inches and 0.760 inches

Head Style

Double hexagon w/hole

Head Height

Between 0.320 inches and 0.340 inches

Width Between Flats

Between 0.304 inches and 0.313 inches

Extended Washer Diameter

Between 0.428 inches and 0.438 inches

Extended Washer Thickness

Between 0.060 inches and 0.070 inches

Hole Diameter

0.062 inches

Thread Diameter

0.250 inches

Hole Quantity

Hole Type

Drilled

Features Provided

Finished head

Nonstandard Thread Pitch Diameter

+0.2116/+0.2145 inches

Thready Qty Per Inch (tpi)

Hardness Rating

30.0 rockwell c and 38.0 rockwell c

Hole Configuration Style

Double hexagon longitudinal hole

Material

Steel comp 601

Material Specification

Ams 6304 assn standard single material response

Surface Treatment

Nickel and cadmium

Thread Series Designator

Unc

NSN

5306-00-558-5078

Part Number

307674

Description

Bolt,machine

CAGE

77445

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

Part 307674 NSN 5306-00-558-5078

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01847

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