Model: 6871521-16

Machine Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.625 inches and 0.685 inches

Fastener Length

1.250 inches

Head Style

Double hexagon w/hole

Head Height

0.375 inches

Width Between Flats

Between 0.367 inches and 0.375 inches

Extended Washer Diameter

0.500 inches

Extended Washer Thickness

Between 0.070 inches and 0.080 inches

Thread Diameter

0.312 inches

Grip Length

Between 0.565 inches and 0.625 inches

Features Provided

Finished head

Thready Qty Per Inch (tpi)

Hardness Rating

32.0 rockwell c and 38.0 rockwell c

Surface Finish

63.0 microinches bearing surface of head

Surface Finish

63.0 microinches grip

Material

Steel comp 630

Material Specification

Ams 5643 assn standard single material response

Thread Series Designator

Unf

NSN

5306-00-432-5401

Part Number

6871521-16

Description

Bolt,machine

CAGE

63005

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 6871521-16 NSN 5306-00-432-5401

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:

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:

095190

UFC:

49790

LTL:

RATING VARIABLE

LCL:

WCC:

713

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