Model: NAS1351C8H16

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.965 inches and 1.125 inches
Fastener Length
1.000 inches
Head Style
Flat chamfer
Head Diameter
Between 0.735 inches and 0.750 inches
Head Height
Between 0.492 inches and 0.500 inches
Hole Diameter
Between 0.061 inches and 0.067 inches
Internal Drive Style
Hexagon
End Application
S-70b-6 helicopter
Thread Diameter
0.500 inches
Width Across Flats
Between 0.375 inches and 0.379 inches
Hole Quantity
6
Hole Type
Drilled
Thready Qty Per Inch (tpi)
20
Hole Configuration Style
Round internal hexagon
Part Name Assigned By Controlling Agency
Screw, cap, socket head
Material
Steel comp 302 or steel comp 305 or steel comp 316 or steel comp 384 or steel comp xm-7 or steel comp 304
Material Specification
Astm a493 assn standard all material responses
Surface Treatment
Passivate
Surface Treatment Specification
Astm a380 assn standard single treatment response
Thread Series Designator
Unrf
Specification Data
80205-nas1351 professional/industrial association standard
NSN
5305-01-509-5139
Part Number
NAS1351C8H16
Description
Screw,cap,socket Head
CAGE
80205

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part NAS1351C8H16 NSN 5305-01-509-5139

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16282
FIIG:
A003B0
Concept No.:
App. Key:
SC
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

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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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