Model: 3M1262D6D16-6A

Close Tolerance Screw

Special Features:

Redefined head geometry

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.375 inches
Fastener Length
1.375 inches
Head Style
Flat countersunk
Head Diameter
Between 0.550 inches and 0.560 inches
Spline Major Diameter
0.221 inches
Grip Diameter
0.374 inches
Shank Unthreaded Hole Diameter
0.106 inches first hole
Internal Drive Style
Torx
End Application
F-18 aircraft
Thread Diameter
0.375 inches
Grip Length
1.000 inches
Thready Qty Per Inch (tpi)
24
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Distance From Head Largest Bearing Surface To Shank Hole Center
1.260 inches first hole
Part Name Assigned By Controlling Agency
Bolt, 100 degree reduced heard, gear drive recess-special thread length, inconel 718 (125 ksi shear)
Material
Nickel alloy 718
Surface Treatment
Passivate
Thread Series Designator
Unjf
NSN
5305-01-514-3443
Part Number
3M1262D6D16-6A
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 3M1262D6D16-6A NSN 5305-01-514-3443

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:
096640
UFC:
50600
LTL:
70.0
LCL:
--
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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