Model: HT4068-3D5

Close Tolerance Screw

Special Features:

Cetyl alcohol lubrication

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.381 inches and 0.431 inches
Fastener Length
Between 0.703 inches and 0.733 inches
Head Style
Fillister countersunk
Head Diameter
Between 0.2966 inches and 0.3016 inches
Head Height
0.013 inches
Grip Diameter
Between 0.1885 inches and 0.1895 inches
Shank Unthreaded Hole Diameter
0.070 inches and 0.075 inches first hole
Internal Drive Style
High-torque
Thread Diameter
0.190 inches
Grip Length
Between 0.302 inches and 0.322 inches
Thready Qty Per Inch (tpi)
32
Countersink Angle
101.0 degrees
Distance From Head Largest Bearing Surface To Shank Hole Center
0.582 inches and 0.622 inches first hole
Material
Steel comp xm-13
Material Specification
Ams 5629 assn standard single material response
Surface Treatment
Aluminum and chromate
Surface Treatment Specification
Mil-c-83488, type2, class 3 military specification all treatment responses
Thread Series Designator
Unjf
NSN
5305-01-217-2190
Part Number
HT4068-3D5
Description
Screw,close Tolerance
CAGE
97928

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 HT4068-3D5 NSN 5305-01-217-2190

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:
713
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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