Model: 3M1170C5-18A

Close Tolerance Screw

Special Features:

125 ksi shear strength

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.312 inches
Fastener Length
Between 1.579 inches and 1.609 inches
Head Style
Flat countersunk
Head Diameter
Between 0.464 inches and 0.473 inches
Hole Diameter
Between 0.438 inches and 0.445 inches
Spline Major Diameter
Between 0.154 inches and 0.156 inches
Grip Diameter
0.312 inches
Point Diameter
0.469 inches
Point Style
Flat
Internal Drive Style
Torx
End Application
F/a-18e/f
Thread Diameter
0.312 inches
Grip Length
Between 1.115 inches and 1.135 inches
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
5820 pounds per square inch
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Part Name Assigned By Controlling Agency
Bolt, 100 degree reduced head, gear drive recess
Material
Nickel alloy
Material Specification
Ams 5662 assn standard single material response
Surface Treatment
Passivate
Thread Series Designator
Unjf
NSN
5305-01-512-8359
Part Number
3M1170C5-18A
Description
Screw,close Tolerance
CAGE

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Part 3M1170C5-18A NSN 5305-01-512-8359

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29294
FIIG:
A003B0
Concept No.:
App. Key:
SS
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:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
RATING VARIABLE
WCC:
713
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 7508900000
  • SITC: 69975
  • End Use: Finished metal shapes
  • NAICS: 332999
  • USDA: 1

Freight Class: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)

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