Model: NAS1218R08V1

Machine Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.339 inches
Fastener Length
Between 0.386 inches and 0.416 inches
Head Style
Pan
Head Diameter
Between 0.308 inches and 0.322 inches
Head Height
Between 0.105 inches and 0.115 inches
Internal Drive Style
Torque-set ribbed
Thread Diameter
0.164 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
160000 pounds per square inch
Part Name Assigned By Controlling Agency
Navy special project
Screw Material
Titanium alloy uns r56400
Screw Material Specification
Ams 4967 assn standard single material response
Bearing Surface Of Head Surface Finish
32.0 microinches
Shank Surface Finish
32.0 microinches
Thread Surface Finish
32.0 microinches
Thread Series Designator
Unjc
Specification Data
80205-nas1218 professional/industrial association standard
NSN
5305-01-349-4322
Part Number
NAS1218R08V1
Description
Screw,machine
CAGE

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 NAS1218R08V1 NSN 5305-01-349-4322

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
133300
UFC:
63220
LTL:
RATING VARIABLE
LCL:
--
WCC:
72E
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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