Model: NAS603-21

Machine Screw

Special Features:

Point is flat and chamfered

Properties:

Thread Class

Thread Direction

Right-hand

Fastener Length

1.250 inches

Head Style

Dee

Head Diameter

Between 0.357 inches and 0.373 inches

Head Height

Between 0.122 inches and 0.133 inches

Hole Diameter

0.190 inches

End Application

1520-01-106-9519

Min. Tensile Strength (psi)

160000 pounds per square inch

Askewed Head Angle

Between 0.010 radians and 0.020 radians

Part Name Assigned By Controlling Agency

Screw machine-aircraft, pan head, cruiform recess full

Screw Material

Steel comp 414 or steel comp 4340 or steel comp 8740

Screw Material Specification

Mil-s-5626 military standard all material responses or mil-s-5000 military standard all material responses or mil-s-6049 military standard all material responses

Head Hole Configuration Style

Round

Thread Series Designator

Unjf

Specification Data

80205 - nas603 professional/industrial association standard

NSN

5305-01-534-4283

Part Number

NAS603-21

Description

Screw,machine

CAGE

80205

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 NAS603-21 NSN 5305-01-534-4283

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:

1.0000lbs

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:

573

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