Model: HT4068-3D2A

Close Tolerance Screw

Special Features:

shear is 125 ksi

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.406 inches
Fastener Length
Between 0.531 inches and 0.546 inches
Head Style
Oval countersunk
Head Diameter
Between 0.2966 inches and 0.3016 inches
Hole Diameter
Between 0.070 inches and 0.075 inches
Grip Diameter
Between 0.1885 inches and 0.1895 inches
Point Style
Flat
Internal Drive Style
High-torque
End Application
F15 fwd fus s
Thread Diameter
0.1900 inches
Grip Length
Between 0.115 inches and 0.135 inches
Hole Quantity
1
Hole Type
Drilled
Thready Qty Per Inch (tpi)
32
Hole Configuration Style
Round
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Surface Finish
32.0 microinches bearing surface of head
Surface Finish
32.0 microinches grip
Surface Finish
32.0 microinches head
Surface Finish
32.0 microinches threads
Material
Steel comp xm-13
Material Specification
Ams 5629 assn standard single material response
Surface Treatment
Aluminum
Surface Treatment Specification
Mil-c-83488, type ii, class 3 military specification single treatment response
Thread Series Designator
Unjf
NSN
5305-01-471-6546
Part Number
HT4068-3D2A
Description
Screw,close Tolerance
CAGE
06950

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 HT4068-3D2A NSN 5305-01-471-6546

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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