Model: NAS1218R04-3

Machine Screw

Special Features:

Internal drive ribbed

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.272 inches and 0.307 inches
Fastener Length
Between 0.420 inches and 0.435 inches
Head Style
Pan no. 2
Head Diameter
Between 0.205 inches and 0.219 inches
Head Height
Between 0.070 inches and 0.080 inches
Internal Drive Style
Torque set
Thread Diameter
0.112 inches
Thready Qty Per Inch (tpi)
40
Min. Tensile Strength (psi)
160000 pounds per square inch
Part Name Assigned By Controlling Agency
Navy special project
Screw Material
Titanium alloy
Screw Material Specification
Ams4967, comp 6al-4v assn standard single material response
Thread Series Designator
Unjc
NSN
5305-01-190-4563
Part Number
NAS1218R04-3
Description
Screw,machine
CAGE
26512

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 NAS1218R04-3 NSN 5305-01-190-4563

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:
ESD:
MMAC:
CRITL:
X

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:
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:
136500
UFC:
68455
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8108908000
  • SITC: 69985
  • End Use: Nonferrous metals, other
  • NAICS: 331491
  • USDA: 1

Freight Class: Other wrought titanium, nesoi

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