Model: 704AS3439-1

Machine Screw

Special Features:

Threaded hole in head 0.112-40nc-2b; 0.120 in. Min depth

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.275 inches

Fastener Length

0.625 inches

Head Style

Square

Head Height

Between 0.210 inches and 0.220 inches

Width Between Flats

Between 0.183 inches and 0.193 inches

Thread Diameter

0.112 inches

Thready Qty Per Inch (tpi)

Screw Material

Steel comp 303

Screw Material Specification

Astm a581 assn standard single material response or astm a582 assn standard single material response

Screw Surface Treatment

Passivate

Screw Surface Treatment Specification

Qq-p-35 type 4 federal specification single treatment response

Thread Series Designator

Unc

NSN

5305-01-274-2896

Part Number

704AS3439-1

Description

Screw,machine

CAGE

30003

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 704AS3439-1 NSN 5305-01-274-2896

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:

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