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Socket Head Cap Screw NSN 5305-01-321-3572

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 5305-01-321-3572 NSN: 5305-01-321-3572

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
2.000 inches
Fastener Length
4.750 inches
Head Style
Flat chamfer
Head Diameter
Between 0.642 inches and 0.656 inches
Head Height
Between 0.430 inches and 0.437 inches
Internal Drive Style
Hexagon
Thread Diameter
0.438 inches
Width Across Flats
Between 0.375 inches and 0.379 inches
Thready Qty Per Inch (tpi)
14
Min. Tensile Strength (psi)
16700 pounds per square inch
Hardness Rating
39.0 rockwell c and 45.0 rockwell c
Material
Steel
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, ty2 cl3 federal specification single treatment response
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
013213572
NSN
5305013213572

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
20097-7C-76D
Cage Code:
56878
Status:
A
MSDS:
Part Number:
84000779-001
Cage Code:
81873
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 5305-01-321-3572
What are the manufacturers of nsn 5305013213572?
Does this nsn 5305013213572 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305013213572
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 5305013213572 contain any precious metals?
No precious metal content.
Does nsn 5305013213572 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305013213572?
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

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