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Socket Head Cap Screw NSN 5305-00-531-9781

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 5305-00-531-9781 NSN: 5305-00-531-9781

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Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.210 inches
Fastener Length
0.410 inches
Head Style
Flat countersunk
Head Diameter
0.332 inches
Locking Feature
Patch threads or strip threads
Internal Drive Style
Cross recess type 1
Thread Diameter
0.164 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
55000 pounds per square inch
Hardness Rating
95.0 rockwell b
Countersink Angle
90.0 degrees
Material
Steel comp 1020
Precious Material And Location
silver
Precious Material
Silver
Surface Treatment
Silver
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
005319781
NSN
5305005319781

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
6519359
Cage Code:
73342
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 5305-00-531-9781
What are the manufacturers of nsn 5305005319781?
Does this nsn 5305005319781 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305005319781
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 5305005319781 contain any precious metals?
Item contains silver.
Does nsn 5305005319781 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305005319781?
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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