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Socket Head Cap Screw NSN 5305-01-644-0643

Item Description

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

NSN 5305-01-644-0643 NSN: 5305-01-644-0643

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.500 inches
Fastener Length
0.500 inches
Head Style
Bevel-conical
Head Diameter
0.312 inches
Head Height
0.087 inches
Internal Drive Style
Hexagon
End Application
Aa49e/h60s
Thread Diameter
0.164 inches
Width Across Flats
0.0938 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
70000 pounds per square inch
Part Name Assigned By Controlling Agency
Screw, cap, socket, button, cres
Material
Stainless steel
Surface Treatment
Oxide
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
016440643
NSN
5305016440643

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3392AS1646-4
Cage Code:
30003
Status:
A
MSDS:
Part Number:
97763A178
Cage Code:
39428
Status:
A
MSDS:
Part Number:
3392AS1646
Cage Code:
30003
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 5305-01-644-0643
What are the manufacturers of nsn 5305016440643?
Does this nsn 5305016440643 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305016440643
An externally threaded fastener whose threaded portion is of one nominal diameter. the head has an internal socket or multiple spline for use with an inserted driver. a locking feature may be incorporated in the design of the head or threads. excludes items with bevel (conical) heads. see bolt, internal wrenching. excludes screw, shoulder; and screw, machine.
Does nsn 5305016440643 contain any precious metals?
No precious metal content.
Does nsn 5305016440643 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305016440643?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
16282
FIIG:
A003B0
App. Key:
SC
Cond. Code:
1
Status:
A

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