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Close Tolerance Screw NSN 5305-00-338-3255

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 5305-00-338-3255 NSN: 5305-00-338-3255

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.314 inches and 0.364 inches
Fastener Length
Between 0.762 inches and 0.792 inches
Head Style
Flat countersunk
Head Diameter
Between 0.339 inches and 0.381 inches
Grip Diameter
Between 0.1890 inches and 0.1895 inches
Internal Drive Style
High-torque
Thread Diameter
0.190 inches
Grip Length
Between 0.428 inches and 0.448 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
160000 pounds per square inch
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Surface Finish
32.0 microinches threads
Material
Titanium alloy
Material Specification
Nas 621 comp 6al-4v assn standard single material response or ams 4928 assn standard single material response
Thread Series Designator
Unjf
Specification Data
80205-nas663 professional/industrial association standard
FSC
5305 Screws
NIIN
003383255
NSN
5305003383255

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS663V7
Cage Code:
80205
Status:
A
MSDS:
Part Number:
NAS663V7HT
Cage Code:
80205
Status:
A
MSDS:
Part Number:
10125196
Cage Code:
A486G
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8109900000
  • NAICS: 331491
  • SITC: 69987
  • Description: Zirconium and articles thereof nesoi
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5305-00-338-3255
What are the manufacturers of nsn 5305003383255?
Does this nsn 5305003383255 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305003383255
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 5305003383255 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305003383255 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305003383255?
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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