Model: 123463S3-16

Close Tolerance Screw

Special Features:

O-ring inside diameter 0.174 in. Min, 0.184 in. Max; o-ring thickness 0.023 in. Min, 0.027 in. Max

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.338 inches and 0.388 inches
Fastener Length
Between 1.348 inches and 1.378 inches
Head Style
Flat countersunk undercut
Head Diameter
Between 0.339 inches and 0.381 inches
Head Height
Between 0.044 inches and 0.046 inches
Grip Diameter
Between 0.1890 inches and 0.1895 inches
Internal Drive Style
Torque-set ribbed
Thread Diameter
0.190 inches
Grip Length
Between 0.990 inches and 1.010 inches
Features Provided
O ring and cetyl alcohol lubricant
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
160000 pounds per square inch
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 threads
Part Name Assigned By Controlling Agency
Navy special project
Material
Rubber butadiene-acrylonitrile class nbr ring
Material
Steel comp 8740 fastener
Material Specification
Ams6322 assn standard single material response fastener or mil-s-6049 military specification single material response fastener
Material Specification
Mil-r-6855 cl1 gr 60 military specification single material response ring
Surface Treatment
Cadmium fastener and chromate fastener
Surface Treatment Specification
Qq-p-416 ty2 cl2 federal specification single treatment response fastener
Thread Series Designator
Unjf
NSN
5305-01-277-7325
Part Number
123463S3-16
Description
Screw,close Tolerance
CAGE
80539

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 123463S3-16 NSN 5305-01-277-7325

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:
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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