Model: 378447-8

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 1.373 inches and 1.531 inches

Fastener Length

Between 1.484 inches and 1.531 inches

Head Style

Flat chamfer

Head Diameter

Between 0.457 inches and 0.469 inches

Head Height

Between 0.306 inches and 0.312 inches

Locking Feature

Patch threads

Internal Drive Style

Hexagon

End Application

Family of hemtt vehicles (heavy expanded mobility tactical trucks)

Thread Diameter

0.312 inches

Width Across Flats

0.250 inches

Thready Qty Per Inch (tpi)

Hardness Rating

36.0 rockwell c and 43.0 rockwell c

Material

Steel

Thread Series Designator

Unc

NSN

5305-01-051-9899

Part Number

378447-8

Description

Screw,cap,socket Head

CAGE

95019

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 378447-8 NSN 5305-01-051-9899

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