Model: 78959-6

Internal Wrenching Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.185 inches and 0.230 inches

Fastener Length

Between 0.358 inches and 0.378 inches

Head Style

Flat chamfer

Head Diameter

Between 0.218 inches and 0.226 inches

Head Height

Between 0.134 inches and 0.138 inches

First Diameter From Head

Between 0.079 inches and 0.089 inches

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

Between 0.227 inches and 0.245 inches

Internal Drive Style

Hexagon

Thread Diameter

0.138 inches

Width Across Flats

Between 0.109 inches and 0.111 inches

Thready Qty Per Inch (tpi)

Externally Relieved Body Diameter Quantity

Surface Finish

63.0 microinches

Material

Stainless steel

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 assn standard single treatment response

Thread Series Designator

Unjc

NSN

5306-01-463-5227

Part Number

78959-6

Description

Bolt,internal Wrenching

CAGE

56878

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 78959-6 NSN 5306-01-463-5227

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

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