Model: A320A589-103

Externally Relieved Body Screw

Special Features:

Altered from ms51957-33

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.325 inches

Fastener Length

0.875 inches

Head Style

Pan

Head Diameter

Between 0.257 inches and 0.270 inches

Head Height

Between 0.087 inches and 0.097 inches

First Diameter From Head

Between 0.090 inches and 0.095 inches

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

0.550 inches

Internal Drive Style

Cross recess type 1

End Application

5820-01-421-2609

Thread Diameter

0.138 inches

Thready Qty Per Inch (tpi)

Externally Relieved Body Diameter Quantity

Material

Steel comp 302 or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 316 or steel comp 316l or steel comp 384 or steel comp xm-7

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Thread Series Designator

Unc

NSN

5305-01-472-5680

Part Number

A320A589-103

Description

Screw,externally Relieved Body

CAGE

0D0D0

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 A320A589-103 NSN 5305-01-472-5680

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:

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