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Socket Head Cap Screw NSN 5305-00-721-4640

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 5305-00-721-4640 NSN: 5305-00-721-4640

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.625 inches
Fastener Length
0.625 inches
Head Style
Flat chamfer
Head Diameter
Between 0.429 inches and 0.438 inches
Head Height
Between 0.306 inches and 0.313 inches
Internal Drive Style
Hexagon
Thread Diameter
0.312 inches
Width Across Flats
Between 0.218 inches and 0.221 inches
Thready Qty Per Inch (tpi)
24
Hardness Rating
36.0 rockwell c and 43.0 rockwell c
Material
Steel comp 2340 or steel comp 3135 or steel comp 4037 or steel comp 4137 or steel comp 4140 or steel comp 4340 or steel comp 8630 or steel comp 8740 or steel comp 9440
Surface Treatment
Phosphate
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
007214640
NSN
5305007214640

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
9080072
Cage Code:
18876
Status:
A
MSDS:
Part Number:
AQM60FS524-10CP
Cage Code:
26233
Status:
A
MSDS:
Part Number:
LP35460-32
Cage Code:
03038
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 5305-00-721-4640
What are the manufacturers of nsn 5305007214640?
Does this nsn 5305007214640 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305007214640
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 5305007214640 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305007214640 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305007214640?
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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