Model: 10018438

Hexagon Head Cap Screw

Special Features:

Number 4 drive

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

20.0 millimeters

Fastener Length

20.0 millimeters

Head Style

Flat countersunk undercut

Head Diameter

14.5 millimeters

Head Height

4.0 millimeters

Internal Drive Style

Cross recess type 1

End Application

Mrap - unique nsn - used on 3 mrap variants

Thread Diameter

8.0 millimeters

Thread Pitch In Millimeters

1.25

Countersink Angle

90.0 degrees

Part Name Assigned By Controlling Agency

Screw, flat head, m8 x 1.25 x 20

Screw Material

Steel

Screw Surface Treatment

Zinc

Thread Series Designator

NSN

5305-01-557-0294

Part Number

10018438

Description

Screw,cap,hexagon Head

CAGE

61C19

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

Part 10018438 NSN 5305-01-557-0294

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

18257

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: 8710000090
SITC: 89111
End Use: Military trucks, armored vehicles, etc.
NAICS: 336992
USDA: 1

Freight Class: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons