Model: NAS603-21

Machine Screw

Special Features:

Point is flat and chamfered

Properties:

Thread Class
3a
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:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

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:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
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

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