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Socket Head Cap Screw NSN 5305-01-521-9970

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 5305-01-521-9970 NSN: 5305-01-521-9970

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 1.326 inches and 1.330 inches
Fastener Length
Between 1.496 inches and 1.500 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
Hole Diameter
Between 0.061 inches and 0.067 inches
Internal Drive Style
Hexagon
Thread Diameter
0.375 inches
Width Across Flats
Between 0.3125 inches and 0.3160 inches
Hole Quantity
3
Hole Type
Drilled
Thready Qty Per Inch (tpi)
24
Hole Configuration Style
Round internal hexagon
Special Features
Modified from ms24673-22
Material
Steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 384
Material Specification
Astm a493 assn standard all material responses
Surface Treatment
Aluminum
Surface Treatment Specification
Mil-c-83488 military specification single treatment response
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
015219970
NSN
5305015219970

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
7226365-8
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: 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 5305-01-521-9970
What are the manufacturers of nsn 5305015219970?
Does this nsn 5305015219970 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305015219970
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 5305015219970 contain any precious metals?
No precious metal content.
Does nsn 5305015219970 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305015219970?
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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