Model: 389731

Externally Relieved Body Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.430 inches and 0.510 inches

Fastener Length

Between 4.290 inches and 4.310 inches

Head Style

Hexagon

Head Height

Between 0.146 inches and 0.166 inches

Width Between Flats

Between 0.430 inches and 0.439 inches

Shank Unthreaded Hole Diameter

0.070 inches all holes

First Diameter From Head

Between 0.249 inches and 0.250 inches

Second Diameter From Head

Between 0.194 inches and 0.198 inches

Third Diameter From Head

Between 0.249 inches and 0.250 inches

Fourth Diameter From Head

Between 0.194 inches and 0.198 inches

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

Between 0.415 inches and 0.435 inches

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

Between 1.330 inches and 1.350 inches

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

Between 1.850 inches and 1.870 inches

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

Between 3.280 inches and 3.300 inches

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Distance From Head Largest Bearing Surface To Shank Hole Center

4.185 inches all holes

Externally Relieved Body Diameter Quantity

Material

Stainless steel

Material Specification

Ams5625 assn standard single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Ams 2400 assn standard single treatment response

Thread Series Designator

Unf

NSN

5306-00-739-3340

Part Number

389731

Description

Bolt,externally Relieved Body

CAGE

57472

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 389731 NSN 5306-00-739-3340

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

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