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Socket Head Cap Screw NSN 5305-00-141-6218

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 5305-00-141-6218 NSN: 5305-00-141-6218

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.359 inches and 0.483 inches
Fastener Length
Between 0.969 inches and 1.031 inches
Head Style
Round extended washer
Head Diameter
0.437 inches
Head Height
Between 0.096 inches and 0.106 inches
Extended Washer Diameter
0.500 inches
Extended Washer Thickness
Between 0.028 inches and 0.033 inches
Locking Feature
Patch or pellet threads
Internal Drive Style
Slot
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
125000 pounds per square inch
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 4037 or steel comp 8630
Surface Treatment
Cadmium or zinc
Surface Treatment Specification
Qq-p-416 federal specification 1st treatment response or qq-z-325 federal specification 2nd treatment response
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
001416218
NSN
5305001416218

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
GS550E4S16
Cage Code:
26512
Status:
A
MSDS:
Part Number:
GS550E3S16
Cage Code:
26512
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 5305-00-141-6218
What are the manufacturers of nsn 5305001416218?
Does this nsn 5305001416218 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305001416218
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 5305001416218 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305001416218 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305001416218?
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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