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Close Tolerance Screw NSN 5305-00-404-6441

Item Description

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.

NSN 5305-00-404-6441 NSN: 5305-00-404-6441

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.207 inches and 0.279 inches
Fastener Length
Between 0.554 inches and 0.564 inches
Head Style
Flat countersunk
Head Diameter
0.500 inches
Grip Diameter
Between 0.1880 inches and 0.1890 inches
Internal Drive Style
Slot
Thread Diameter
0.190 inches
Grip Length
Between 0.275 inches and 0.295 inches
Thready Qty Per Inch (tpi)
32
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Surface Finish
32.0 microinches threads
Material
Steel comp 630
Material Specification
Fms0131 fscm 81755 mfr ref single material response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-s-5002 military specification single treatment response
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
004046441
NSN
5305004046441

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
12W9875-9
Cage Code:
81755
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 5305-00-404-6441
What are the manufacturers of nsn 5305004046441?
Does this nsn 5305004046441 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305004046441
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.
Does nsn 5305004046441 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305004046441 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305004046441?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
29294
FIIG:
A003B0
App. Key:
SS
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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