Model: 1388200-1

Machine Bolt

Special Features:

Width between flat cut from 0.365 in. Min 0.377 in. Max w to 0.330 in. W on hex flat

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.376 inches and 0.452 inches

Fastener Length

Between 2.266 inches and 2.312 inches

Head Style

Hexagon

Head Height

Between 0.109 inches and 0.141 inches

Width Between Flats

Between 0.365 inches and 0.377 inches

Hole Diameter

0.046 inches

Shank Unthreaded Hole Diameter

0.070 inches first hole and 0.080 inches first hole

Shank Unthreaded Hole Diameter

0.070 inches and 0.080 inches first hole

Thread Diameter

0.190 inches

Grip Length

Between 1.860 inches and 1.890 inches

Features Provided

Finished head

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

125000 pounds per square inch

Hardness Rating

26.0 rockwell c and 32.0 rockwell c

Hardness Rating

26.0 rockwell c and 32.0 rockwell c

Hole Configuration Style

Double hexagon flats

Distance From Head Largest Bearing Surface To Shank Hole Center

2.126 inches first hole and 2.156 inches first hole

Distance From Head Largest Bearing Surface To Shank Hole Center

2.126 inches and 2.156 inches first hole

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel comp 431

Material Specification

Mil-s-18732 military specification single material response

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Thread Series Designator

Unf

NSN

5306-00-395-2438

Part Number

1388200-1

Description

Bolt,machine

CAGE

98889

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 1388200-1 NSN 5306-00-395-2438

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