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Close Tolerance Screw NSN 5305-00-420-5905

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 5305-00-420-5905 NSN: 5305-00-420-5905

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.328 inches and 0.406 inches
Fastener Length
Between 0.453 inches and 0.500 inches
Head Style
Flat countersunk
Head Diameter
Between 0.283 inches and 0.332 inches
Grip Diameter
Between 0.1610 inches and 0.1640 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.164 inches
Grip Length
Between 0.094 inches and 0.125 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
62000 pounds per square inch
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Material
Aluminum alloy 2024
Surface Treatment
Anodize
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
004205905
NSN
5305004205905

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS24694A4
Cage Code:
80205
Status:
A
MSDS:
Part Number:
AN509DD8R7
Cage Code:
88044
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7616106000
  • NAICS: 332722
  • SITC: 69440
  • Description: Threaded fasteners of aluminum
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5305-00-420-5905
What are the manufacturers of nsn 5305004205905?
Does this nsn 5305004205905 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305004205905
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 5305004205905 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305004205905 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305004205905?
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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