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Hexagon Head Cap Screw NSN 5305-01-176-3973

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 5305-01-176-3973 NSN: 5305-01-176-3973

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Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.255 inches and 0.375 inches
Fastener Length
Between 0.344 inches and 0.375 inches
Head Height
Between 0.150 inches and 0.163 inches
Width Between Flats
Between 0.428 inches and 0.438 inches
Hole Diameter
Between 0.0605 inches and 0.0685 inches
Thread Diameter
0.250 inches
Hole Quantity
1
Hole Type
Drilled
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
150000 pounds per square inch
Hardness Rating
32.0 rockwell c and 38.0 rockwell c
Hole Configuration Style
Hexagon flats
Surface Finish
63.0 microinches threads
Material
Steel comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1524 or steel comp 1025 or steel comp 1026 or steel comp 1527 or steel comp 1029 or steel comp 1030 or steel comp 1033 or steel comp 1034 or steel comp 1035 or steel comp 1536 or steel comp 1037 or steel comp 1038 or steel comp 1039 or steel comp 1040 or steel comp 1541
Material Specification
66 federal standard all material responses
Surface Treatment
Zinc and chromate
Surface Treatment Specification
Astm b633 type 2 sc 3 assn standard single treatment response
Thread Series Designator
Unf
Nondefinitive Specification/std Data
2 type and 10p style and 8 grade
FSC
5305 Screws
NIIN
011763973
NSN
5305011763973

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
B1821BH025F038D
Cage Code:
80204
Status:
A
MSDS:
Part Number:
908943C1
Cage Code:
55820
Status:
A
MSDS:
Part Number:
FF-S-85
Cage Code:
81348
Status:
A
MSDS:
Part Number:
MS18153-1
Cage Code:
96906
Status:
A
MSDS:
Part Number:
MS51096-301
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: 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 5305-01-176-3973
What are the manufacturers of nsn 5305011763973?
Does this nsn 5305011763973 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305011763973
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 5305011763973 contain any precious metals?
No precious metal content.
Does nsn 5305011763973 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305011763973?
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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