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Setscrew NSN 5305-00-017-4256

Item Description

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

NSN 5305-00-017-4256 NSN: 5305-00-017-4256

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Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.327 inches and 0.447 inches
Fastener Length
Between 0.615 inches and 0.635 inches
Head Style
Fillister
Head Diameter
Between 0.389 inches and 0.414 inches
Head Height
Between 0.161 inches and 0.170 inches
Point Length
0.188 inches
Point Diameter
Between 0.155 inches and 0.157 inches
Point Style
Dog
Internal Drive Style
Cross recess type 1
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
20
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 1010
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 1, cl 3 federal specification single treatment response
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
000174256
NSN
5305000174256

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
641040-1
Cage Code:
22907
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 5305-00-017-4256
What are the manufacturers of nsn 5305000174256?
Does this nsn 5305000174256 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305000174256
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. a locking feature may be incorporated in the design of the head or threads.
Does nsn 5305000174256 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305000174256 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305000174256?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
06672
FIIG:
A003B0
App. Key:
SQ
Cond. Code:
1
Status:
A

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