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Close Tolerance Screw NSN 5305-00-916-6520

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 5305-00-916-6520 NSN: 5305-00-916-6520

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.316 inches
Fastener Length
Between 0.801 inches and 0.831 inches
Head Style
Flat chamfer
Head Diameter
Between 0.357 inches and 0.375 inches
Head Height
Between 0.133 inches and 0.150 inches
Hole Diameter
0.064 inches
Grip Diameter
Between 0.2485 inches and 0.2495 inches
Internal Drive Style
Offset cruciform (torque set)
Thread Diameter
0.250 inches
Grip Length
0.500 inches
Hole Quantity
2
Hole Type
Drilled
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
140000 pounds per square inch
Hardness Rating
248.0 brinell standard and 321.0 brinell standard
Hole Configuration Style
Round
Surface Finish
32.0 microinches threads
Part Name Assigned By Controlling Agency
Navy special project
Material
Iron alloy 660
Material Specification
Ams 5735 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
Unjf
Specification Data
80205-nas1124 professional/industrial association standard
FSC
5305 Screws
NIIN
009166520
NSN
5305009166520

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS1124E8H
Cage Code:
80205
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 5305-00-916-6520
What are the manufacturers of nsn 5305009166520?
Does this nsn 5305009166520 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305009166520
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 5305009166520 contain any precious metals?
No precious metal content.
Does nsn 5305009166520 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305009166520?
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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