Model: 838647

Machine Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.250 inches

Fastener Length

Between 0.344 inches and 0.406 inches

Head Style

Hexagon

Head Height

Between 0.151 inches and 0.161 inches

Width Between Flats

Between 0.428 inches and 0.438 inches

Locking Feature

Distortions bearing surface of head

Thread Diameter

0.250 inches

Grip Length

0.125 inches

Features Provided

Unfinished head

Thready Qty Per Inch (tpi)

Material

Steel comp 1211 or steel comp 1212 or steel comp 1035

Material Specification

Qq-s-633, canc federal specification 1st material response or qq-s-663, canc federal specification 2nd material response or 66 federal standard 3rd material response

Thread Series Designator

Unc

NSN

5306-00-449-6512

Part Number

838647

Description

Bolt,machine

CAGE

24617

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 838647 NSN 5306-00-449-6512

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:

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