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Hexagon Head Cap Screw NSN 5305-00-638-4775

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 5305-00-638-4775 NSN: 5305-00-638-4775

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Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.875 inches and 1.062 inches
Fastener Length
3.875 inches
Head Style
Hexagon
Head Height
Between 0.195 inches and 0.211 inches
Width Between Flats
Between 0.489 inches and 0.500 inches
Thread Diameter
0.312 inches
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
150000 pounds per square inch
Hardness Rating
32.0 rockwell c and 38.0 rockwell c
Material
Steel
Surface Treatment
Cadmium or zinc
Thread Series Designator
Unf
Nondefinitive Specification/std Data
1 type and 8 grade
FSC
5305 Screws
NIIN
006384775
NSN
5305006384775

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MIL-DTL-1222
Cage Code:
81349
Status:
A
MSDS:
Part Number:
MIL-S-1222
Cage Code:
81349
Status:
A
MSDS:
Part Number:
M1222RN5F262GHNZE
Cage Code:
81349
Status:
A
MSDS:
Part Number:
M1222RN5F250GHNZE
Cage Code:
81349
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 5305-00-638-4775
What are the manufacturers of nsn 5305006384775?
Does this nsn 5305006384775 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305006384775
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 5305006384775 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305006384775 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305006384775?
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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