Model: 3MFRA584-23T

Close Tolerance Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.444 inches and 0.494 inches
Fastener Length
Between 1.892 inches and 1.922 inches
Head Style
Flat countersunk
Head Diameter
0.5066 inches
Grip Diameter
Between 0.2485 inches and 0.2495 inches
Internal Drive Style
High-torque
Thread Diameter
0.250 inches
Grip Length
Between 1.428 inches and 1.448 inches
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
160000 pounds per square inch
Hardness Rating
36.0 rockwell c and 40.0 rockwell c
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Surface Finish
125.0 microinches head
Surface Finish
32.0 microinches grip
Surface Finish
32.0 microinches threads
Material
Steel comp 4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 4130 or steel comp 6150
Material Specification
Mil-s-5000 military specification 1st material response or mil-s-5626 military specification 2nd material response or mil-s-6049 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6758 military specification 5th material response or mil-s-8503 military specification 6th material response
Surface Treatment
Cadmium head and primer head
Surface Treatment Specification
Qq-p-416, type 2 class 2 federal specification 1st treatment response head and ps13421, fscm 76301 mfr ref 2nd treatment response head
Thread Series Designator
Unjf
NSN
5305-00-544-6783
Part Number
3MFRA584-23T
Description
Screw,close Tolerance
CAGE
76301

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 3MFRA584-23T NSN 5305-00-544-6783

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
50.0
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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