Model: WC1273V4-7

Machine Screw

Special Features:

Drilled 0.081" diameter hole on bolt end.

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.403 inches

Fastener Length

Between 0.825 inches and 0.855 inches

Head Style

Pan no. 2

Head Diameter

Between 0.477 inches and 0.492 inches

Head Height

Between 0.140 inches and 0.150 inches

Spline Major Diameter

0.221 inches

Internal Drive Style

Torx

End Application

F-18 fighter aircraft

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Criticality Code Justification

Agav

Part Name Assigned By Controlling Agency

(inavy)screw, machine; bolt-pan head, gear drive, titanium

Screw Material

Titanium alloy

Screw Material Specification

Aia/nas 4004 assn standard single material response

Thread Series Designator

Unjf

NSN

5305-01-501-4783

Part Number

WC1273V4-7

Description

Screw,machine

CAGE

60516

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

Part WC1273V4-7 NSN 5305-01-501-4783

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06657

FIIG:

A500D0

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:

133300

UFC:

63220

LTL:

RATING VARIABLE

LCL:

WCC:

72E

TCC:

SHC:

ACC:

Equipment for Aircraft

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Schedule B and Export

Schedule B: 8108908000
SITC: 69985
End Use: Nonferrous metals, other
NAICS: 331491
USDA: 1

Freight Class: Other wrought titanium, nesoi