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Close Tolerance Screw NSN 5305-01-538-6593

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 5305-01-538-6593 NSN: 5305-01-538-6593

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.276 inches
Fastener Length
Between 1.573 inches and 1.603 inches
Head Style
Flat chamfer
Head Diameter
Between 0.357 inches and 0.373 inches
Head Height
Between 0.122 inches and 0.133 inches
Grip Diameter
Between 0.188 inches and 0.189 inches
Internal Drive Style
Torx
End Application
Cv-22
Thread Diameter
0.190 inches
Grip Length
Between 1.302 inches and 1.322 inches
Thready Qty Per Inch (tpi)
32
Part Name Assigned By Controlling Agency
Screw, pan head, close tolerance
Special Features
Lubricated with cetyl alcohol
Material
Titanium alloy uns r56400
Surface Treatment
Aluminum
Thread Series Designator
Unjf
FSC
5305 Screws
NIIN
015386593
NSN
5305015386593

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
BACS12HW3T21
Cage Code:
81205
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8108908000
  • NAICS: 331491
  • SITC: 69985
  • Description: Other wrought titanium, nesoi
  • End Use (Code 12290):
    Nonferrous metals, other

Q & A

Frequently asked questions for NSN 5305-01-538-6593
What are the manufacturers of nsn 5305015386593?
Does this nsn 5305015386593 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305015386593
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 5305015386593 contain any precious metals?
No precious metal content.
Does nsn 5305015386593 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305015386593?
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
  •   Quality Fast Service
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