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Setscrew NSN 5305-01-178-2543

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 5305-01-178-2543 NSN: 5305-01-178-2543

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Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.270 inches and 0.310 inches
Fastener Length
Between 0.425 inches and 0.435 inches
Head Style
Pan
Head Diameter
Between 0.306 inches and 0.322 inches
Head Height
Between 0.105 inches and 0.115 inches
Point Length
Between 0.125 inches and 0.155 inches
Point Diameter
Between 0.121 inches and 0.123 inches
Point Style
Dog
Internal Drive Style
Cross recess type 1
Thread Diameter
0.164 inches
Thready Qty Per Inch (tpi)
32
Material
Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316
Material Specification
Aisi assn standard all material responses or sae assn standard all material responses or 66 federal standard all material responses
Surface Treatment
Passivate threads
Surface Treatment Specification
Qq-p-35 federal specification single treatment response threads
Supplementary Features
Altered from ms51957-45 nsn 5305-054-6670
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
011782543
NSN
5305011782543

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
16610916-001
Cage Code:
28009
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 5305-01-178-2543
What are the manufacturers of nsn 5305011782543?
Does this nsn 5305011782543 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305011782543
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 5305011782543 contain any precious metals?
No precious metal content.
Does nsn 5305011782543 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305011782543?
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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