Model: B798A

Machine Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.875 inches

Fastener Length

2.375 inches

Head Style

Round w/wrench flats chamfered

Head Diameter

0.625 inches

Head Height

0.188 inches

Width Between Flats

0.500 inches

Shank Unthreaded Hole Diameter

0.136 inches first hole

Thread Diameter

0.438 inches

Grip Length

1.500 inches

Features Provided

Unfinished head

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

150000 pounds per square inch

Hardness Rating

32.0 rockwell c and 37.0 rockwell c

Minimum Yield Strength

140000 pounds per square inch

Distance From Head Largest Bearing Surface To Shank Hole Center

2.203 inches first hole and 2.235 inches first hole

Material

Steel comp 3135 or steel comp 4140 or steel comp 1035

Material Specification

Sae assn standard all material responses

Thread Series Designator

Unf

NSN

5306-00-325-5294

Part Number

B798A

Description

Bolt,machine

CAGE

64104

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 B798A NSN 5306-00-325-5294

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

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