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Setscrew NSN 5305-00-249-0504

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 5305-00-249-0504 NSN: 5305-00-249-0504

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
1.000 inches
Fastener Length
1.000 inches
Head Style
Headless (setscrew)
Point Style
Cone
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
Between 0.125 inches and 0.127 inches
Thready Qty Per Inch (tpi)
20
Hardness Rating
45.0 rockwell c and 53.0 rockwell c
Material
Steel
Surface Treatment
Cadmium and chromate and zinc or zinc and dichromate
Surface Treatment Specification
Qq-p-416 type 2 cl 3 federal specification 1st treatment response and qq-p-416 type 2 cl 3 federal specification 2nd treatment response and qq-z-325 type 2 cl 3 federal specification 3rd treatment response
Thread Series Designator
Unc
Nondefinitive Specification/std Data
3 type and 4 style
FSC
5305 Screws
NIIN
002490504
NSN
5305002490504

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS51017-71
Cage Code:
96906
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 5305-00-249-0504
What are the manufacturers of nsn 5305002490504?
Does this nsn 5305002490504 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305002490504
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 5305002490504 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305002490504 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305002490504?
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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