Model: NAS144A-15

Internal Wrenching Bolt

Special Features:

Drilled shank/self-locking bolt

Properties:

Thread Direction
Right-hand
Thread Length
Between 0.475 inches and 0.525 inches
Fastener Length
0.938 inches
Head Style
Bevel-conical
Head Diameter
Between 0.430 inches and 0.438 inches
Head Height
0.226 inches
Shank Unthreaded Hole Diameter
0.076 inches first hole and 0.081 inches first hole
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
Between 0.219 inches and 0.221 inches
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
160000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center
0.834 inches first hole and 0.854 inches first hole
Material
Steel comp e4340 and steel comp 8740 and steel comp 6150 and steel comp 3140 and steel comp 3135
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2 cl3 federal specification single treatment response
NSN
5306-01-496-7804
Part Number
NAS144A-15
Description
Bolt,internal Wrenching
CAGE

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

Part NAS144A-15 NSN 5306-01-496-7804

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06666
FIIG:
A003B0
Concept No.:
App. Key:
BM
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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