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Close Tolerance Screw NSN 5305-01-642-8658

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 5305-01-642-8658 NSN: 5305-01-642-8658

  Stock Availability

NSN 5305016428658 availability
(as of 02/14/2024).

  • NE: 987

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.276 inches
Fastener Length
Between 0.823 inches and 0.853 inches
Head Style
Pan
Head Diameter
Between 0.306 inches and 0.322 inches
Head Height
Between 0.105 inches and 0.115 inches
Grip Diameter
Between 0.1625 inches and 0.1635 inches
Internal Drive Style
Offset cruciform (torque set)
Thread Diameter
0.1640 inches
Grip Length
Between 0.552 inches and 0.572 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
2240 pounds per square inch
Surface Finish
32.0 microinches threads
Part Name Assigned By Controlling Agency
Screw, machine, pan head, close tolerance, short thread, offset cruciform
Special Features
Offset cruciform recess iaw nasm33781 or nasm14191; head marked with basic part number, applicable dash number, mfg trade mark and matl code where applicable; heat treat 160-190 ksi ftu
Material
Stainless steel
Material Specification
A286 iaw ams5731, 5732, 5737 or 5853 national standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Ams2700, method 1, class 4 national standard single treatment response
Thread Series Designator
Unjc
Specification Data
80205-nas1131 through nas1138 professional/industrial association standard
FSC
5305 Screws
NIIN
016428658
NSN
5305016428658

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS1132E9
Cage Code:
80205
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 5305-01-642-8658
What are the manufacturers of nsn 5305016428658?
Does this nsn 5305016428658 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305016428658
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 5305016428658 contain any precious metals?
No precious metal content.
Does nsn 5305016428658 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305016428658?
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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