Model: MB178-10

Socket Head Cap Screw

Special Features:

Two holes drilled in threaded portion 90 degrees apart; center of holes 0.179 min and 0.189 max from end of screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.628 inches and 0.678 inches

Fastener Length

Between 2.178 inches and 2.208 inches

Head Style

Fillister

Head Diameter

Between 0.7995 inches and 0.8000 inches

Head Height

0.340 inches

Shank Unthreaded Hole Diameter

0.141 inches all holes and 0.151 inches all holes

Internal Drive Style

Hexagon

Thread Diameter

0.625 inches

Width Across Flats

Between 0.3130 inches and 0.3150 inches

Thready Qty Per Inch (tpi)

Distance From Head Largest Bearing Surface To Shank Hole Center

1.989 inches all holes and 2.029 inches all holes

Material

Steel comp xm-13

Surface Treatment

Passivate

Thread Series Designator

Unjf

NSN

5305-01-236-9157

Part Number

MB178-10

Description

Screw,cap,socket Head

CAGE

73197

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part MB178-10 NSN 5305-01-236-9157

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16282

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:

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