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Hexagon Head Cap Screw NSN 5305-01-391-4389

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 5305-01-391-4389 NSN: 5305-01-391-4389

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 1.900 inches and 2.000 inches
Fastener Length
2.000 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
Locking Feature
Strip threads
Thread Diameter
0.437 inches
Features Provided
Finished head
Thready Qty Per Inch (tpi)
20
Min. Tensile Strength (psi)
80000 pounds per square inch
Material
Plastic polyamide locking feature
Material Specification
Qq-n-281, cla federal specification single material response fastener
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
013914389
NSN
5305013914389

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
53A-00-230-3
Cage Code:
53711
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7508900000
  • NAICS: 332999
  • SITC: 69975
  • Description: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5305-01-391-4389
What are the manufacturers of nsn 5305013914389?
Does this nsn 5305013914389 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305013914389
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 5305013914389 contain any precious metals?
No precious metal content.
Does nsn 5305013914389 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305013914389?
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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