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Close Tolerance Screw NSN 5305-00-395-1999

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 5305-00-395-1999 NSN: 5305-00-395-1999

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.291 inches and 0.341 inches
Fastener Length
Between 0.426 inches and 0.456 inches
Head Style
Pan
Head Diameter
Between 0.473 inches and 0.492 inches
Head Height
Between 0.162 inches and 0.175 inches
Grip Diameter
Between 0.2485 inches and 0.2495 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.250 inches
Grip Length
Between 0.115 inches and 0.135 inches
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
160000 pounds per square inch
Surface Finish
32.0 microinches threads
Material
Titanium alloy uns r56400
Material Specification
Ams 4928 assn standard single material response
Thread Series Designator
Unjf
FSC
5305 Screws
NIIN
003951999
NSN
5305003951999

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
LS15265V4-2
Cage Code:
98897
Status:
A
MSDS:
Part Number:
AN5-C33
Cage Code:
77445
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 5305-00-395-1999
What are the manufacturers of nsn 5305003951999?
Does this nsn 5305003951999 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305003951999
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 5305003951999 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305003951999 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305003951999?
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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