Model: MX1026

Externally Relieved Body Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.365 inches and 0.375 inches

Fastener Length

Between 1.470 inches and 1.530 inches

Head Style

Flat chamfer

Head Diameter

Between 0.615 inches and 0.635 inches

Head Height

Between 0.240 inches and 0.260 inches

First Diameter From Head

Between 0.225 inches and 0.235 inches

Second Diameter From Head

Between 0.214 inches and 0.230 inches

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

Between 0.865 inches and 0.885 inches

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

Between 1.470 inches and 1.530 inches

Internal Drive Style

Hexagon

Thread Diameter

0.312 inches

Width Across Flats

Between 0.177 inches and 0.197 inches

Thready Qty Per Inch (tpi)

Externally Relieved Body Diameter Quantity

Material

Stainless steel

Material Specification

Qq-s-764; class 7; type a federal specification single material response

Surface Treatment Specification

Xxb000 military specification single treatment response

Thread Series Designator

Unc

NSN

5305-01-491-0534

Part Number

MX1026

Description

Screw,externally Relieved Body

CAGE

04729

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. See also bolt, externally relieved body and bolt, internal wrenching.

Part MX1026 NSN 5305-01-491-0534

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01852

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:

096640

UFC:

50600

LTL:

70.0

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