Model: 3MFR123-3-5P

Close Tolerance Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.381 inches and 0.448 inches
Fastener Length
Between 0.703 inches and 0.750 inches
Head Style
Flat countersunk
Head Diameter
Between 0.377 inches and 0.381 inches
Grip Diameter
Between 0.1885 inches and 0.1895 inches
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
100.0 degrees
Material
Iron alloy 660
Material Specification
Ams 5735 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment
Primer grip
Surface Treatment
Primer head
Surface Treatment Specification
Ps 13421 fscm 76301 mfr ref single treatment response grip
Surface Treatment Specification
Ps 13421 fscm 76301 mfr ref single treatment response head
Surface Treatment Specification
Qq-p-416, type 2 class 2 federal specification single treatment response
Thread Series Designator
Unf
NSN
5305-01-023-3805
Part Number
3MFR123-3-5P
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 3MFR123-3-5P NSN 5305-01-023-3805

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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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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