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Close Tolerance Screw NSN 5305-01-319-4159

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 5305-01-319-4159 NSN: 5305-01-319-4159

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.396 inches and 0.446 inches
Fastener Length
Between 5.833 inches and 5.853 inches
Head Style
Crowned hexagon
Head Height
Between 0.251 inches and 0.266 inches
Width Between Flats
Between 0.741 inches and 0.752 inches
Locking Feature
Detent ball grip
Grip Diameter
Between 0.4986 inches and 0.4991 inches
Shank Unthreaded Hole Diameter
0.106 inches first hole and 0.116 inches first hole
Internal Drive Style
Slot
Thread Diameter
0.500 inches
Grip Length
Between 5.188 inches and 5.203 inches
Thready Qty Per Inch (tpi)
20
Min. Tensile Strength (psi)
63000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center
5.701 inches first hole and 5.711 inches first hole
Surface Finish
32.0 microinches grip
Material
Steel comp xm-13
Material Specification
Ams5629 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
Unjf
FSC
5305 Screws
NIIN
013194159
NSN
5305013194159

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS3369B883
Cage Code:
96906
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7318152000
  • NAICS: 332722
  • SITC: 69421
  • Description: Bolts and bolts and their nuts or washers exported in the same shipment
  • End Use (Code 12110):
    Iron and steel products, other

Q & A

Frequently asked questions for NSN 5305-01-319-4159
What are the manufacturers of nsn 5305013194159?
Does this nsn 5305013194159 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305013194159
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 5305013194159 contain any precious metals?
No precious metal content.
Does nsn 5305013194159 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305013194159?
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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