Model: 12543071

Internal Wrenching Bolt

Properties:

Thread Length

Between 8.0 millimeters and 8.8 millimeters

Fastener Length

Between 11.7 millimeters and 12.2 millimeters

Internal Drive Style

Hexagon

End Application

2320-01-595-3994 truck, wrecker

Thread Diameter

0.250 inches

Width Across Flats

5.0 millimeters

Thready Qty Per Inch (tpi)

Part Name Assigned By Controlling Agency

Nut, special, connector

Material

Steel

Material Specification

Aisi grade c1006 assn standard single material response

Thread Series Designator

Unc

NSN

5306-01-645-8012

Part Number

12543071

Description

Bolt,internal Wrenching

CAGE

19207

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

Part 12543071 NSN 5306-01-645-8012

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06666

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