Model: 11923-3D6

Close Tolerance Screw

Special Features:

Head has a 1.40 degrees radius dome

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.406 inches
Fastener Length
Between 0.579 inches and 0.609 inches
Head Style
Fillister countersunk
Head Diameter
Between 0.297 inches and 0.302 inches
Head Height
0.013 inches
Grip Diameter
0.189 mils and 0.190 centimeters
Point Length
0.039 inches
Shank Unthreaded Hole Diameter
0.070 mils first hole and 0.075 centimeters first hole
Point Style
Flat
Internal Drive Style
High-torque
Thread Diameter
0.190 inches
Grip Length
0.188 inches
Thready Qty Per Inch (tpi)
32
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Distance From Head Largest Bearing Surface To Shank Hole Center
0.473 inches first hole and 0.483 inches first hole
Point Chamfer Angle
45.0 of standard range single treatment response
Part Name Assigned By Controlling Agency
Screw-close tolerance, 100 degrees countersunk, reduced head, hi-torque, non-magnetic cres (135 ksi fsu)
Material
Nickel alloy 718
Material Specification
Ams 5662 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Ams 2700 assn standard single treatment response
Thread Series Designator
Unjf
NSN
5305-01-591-0128
Part Number
11923-3D6
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 11923-3D6 NSN 5305-01-591-0128

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:
A
ESD:
A
MMAC:
FX
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: 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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