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Hexagon Head Cap Screw NSN 5305-01-273-1490

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 5305-01-273-1490 NSN: 5305-01-273-1490

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.864 inches and 1.052 inches
Fastener Length
Between 2.656 inches and 2.750 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
Hole Diameter
Between 0.060 inches and 0.068 inches
Thread Diameter
0.312 inches
Hole Quantity
1
Hole Type
Drilled
Features Provided
Finished head
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
Hole Configuration Style
Hexagon flats
Color
Yellow or bronze or olive drab
Material
Steel uns k04100
Material Specification
Astm a354, grade bd assn standard single material response
Surface Treatment
Zinc and chromate
Surface Treatment Specification
Astm b633 assn standard single treatment response
Thread Series Designator
Unf
Nondefinitive Specification/std Data
2 type and 10p style
FSC
5305 Screws
NIIN
012731490
NSN
5305012731490

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
B1821BH031F275D
Cage Code:
80204
Status:
A
MSDS:
Part Number:
FF-S-85
Cage Code:
81348
Status:
A
MSDS:
Part Number:
MS18153-41
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 5305-01-273-1490
What are the manufacturers of nsn 5305012731490?
Does this nsn 5305012731490 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305012731490
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 5305012731490 contain any precious metals?
No precious metal content.
Does nsn 5305012731490 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305012731490?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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