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Socket Head Cap Screw NSN 5305-01-439-0074

Item Description

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

NSN 5305-01-439-0074 NSN: 5305-01-439-0074

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 1.560 inches and 2.150 inches
Fastener Length
2.250 inches
Head Style
Flat chamfer
Head Diameter
Between 0.550 inches and 0.562 inches
Head Height
Between 0.368 inches and 0.375 inches
Internal Drive Style
Hexagon
Thread Diameter
0.375 inches
Width Across Flats
Between 0.313 inches and 0.316 inches
Thready Qty Per Inch (tpi)
16
Hardness Rating
37.0 rockwell c and 45.9 rockwell c
Material
Steel
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
014390074
NSN
5305014390074

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
73G636
Cage Code:
89749
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 5305-01-439-0074
What are the manufacturers of nsn 5305014390074?
Does this nsn 5305014390074 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305014390074
An externally threaded fastener whose threaded portion is of one nominal diameter. the head has an internal socket or multiple spline for use with an inserted driver. a locking feature may be incorporated in the design of the head or threads. excludes items with bevel (conical) heads. see bolt, internal wrenching. excludes screw, shoulder; and screw, machine.
Does nsn 5305014390074 contain any precious metals?
No precious metal content.
Does nsn 5305014390074 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305014390074?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
16282
FIIG:
A003B0
App. Key:
SC
Cond. Code:
1
Status:
A

What do you get when you order from nationalstocknumber.org?

  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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