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Hexagon Head Cap Screw NSN 5305-00-550-3931

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 5305-00-550-3931 NSN: 5305-00-550-3931

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Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 1.250 inches and 1.440 inches
Fastener Length
Between 1.940 inches and 2.000 inches
Head Height
Between 0.302 inches and 0.323 inches
Width Between Flats
Between 0.736 inches and 0.750 inches
Thread Diameter
0.500 inches
Thready Qty Per Inch (tpi)
13
Min. Tensile Strength (psi)
60000 pounds per square inch
Material
Copper alloy 464 or copper alloy 462
Material Specification
Qq-b-637, comp 1 federal specification 1st material response or qq-b-637, comp 4 federal specification 2nd material response
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
005503931
NSN
5305005503931

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS35309-415
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: 7415338550
  • NAICS: 332722
  • SITC: 69433
  • Description: Other copper screws (not for wood) bolts and nuts
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5305-00-550-3931
What are the manufacturers of nsn 5305005503931?
Does this nsn 5305005503931 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305005503931
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 5305005503931 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305005503931 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305005503931?
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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