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Hexagon Head Cap Screw NSN 5305-00-181-8743

Item Description

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

NSN 5305-00-181-8743 NSN: 5305-00-181-8743

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Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 1.125 inches and 1.313 inches
Fastener Length
3.250 inches
Head Style
Hexagon
Head Height
Between 0.272 inches and 0.291 inches
Width Between Flats
Between 0.612 inches and 0.625 inches
Thread Diameter
0.438 inches
Thready Qty Per Inch (tpi)
20
Special Features
Semigloss green fed-std-595 color no. 24087
Material
Steel
Material Specification
Sae gr 8 assn standard single material response
Surface Treatment
Paint
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
001818743
NSN
5305001818743

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
10291086
Cage Code:
18876
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 5305-00-181-8743
What are the manufacturers of nsn 5305001818743?
Does this nsn 5305001818743 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305001818743
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.
Does nsn 5305001818743 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305001818743 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305001818743?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
18257
FIIG:
A003B0
App. Key:
SB
Cond. Code:
1
Status:
A

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