Model: SMA147301-1

Externally Relieved Body Screw

Special Features:

0.035 to 0.040 in. Deep o-ring relief in. Head

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.375 inches

Fastener Length

0.844 inches

Head Style

Flat chamfer

Head Diameter

0.437 inches

Head Height

0.187 inches

First Diameter From Head

0.190 inches

Second Diameter From Head

Between 0.170 inches and 0.175 inches

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

0.125 inches

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

0.469 inches

Internal Drive Style

Slot

Thread Diameter

0.190 inches

Thready Qty Per Inch (tpi)

Externally Relieved Body Diameter Quantity

Material

Steel comp 1213

Material Specification

Qq-s-637 federal specification single material response

Surface Treatment

Cadmium and chromate or enamel

Surface Treatment Specification

Qq-p-416, type 2, cl 2 federal specification 1st treatment response or mil-e-15090 military specification 2nd treatment response

Thread Series Designator

Unf

NSN

5305-00-312-8087

Part Number

SMA147301-1

Description

Screw,externally Relieved Body

CAGE

77221

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 SMA147301-1 NSN 5305-00-312-8087

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:

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