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Setscrew NSN 5305-00-275-8438

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 5305-00-275-8438 NSN: 5305-00-275-8438

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.312 inches
Fastener Length
0.312 inches
Head Style
Headless (setscrew)
Point Style
Cup
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
0.125 inches
Thready Qty Per Inch (tpi)
20
Hardness Rating
45.0 rockwell c and 53.0 rockwell c
Material
Nickel alloy 400
Material Specification
Qq-n-281, class a federal specification single material response
Thread Series Designator
Unc
Nondefinitive Specification/std Data
1 type and 4 style
Departure From Cited Designator
As modified by material
FSC
5305 Screws
NIIN
002758438
NSN
5305002758438

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
R204PC29
Cage Code:
63857
Status:
A
MSDS:
Part Number:
R205PCSP15
Cage Code:
63857
Status:
A
MSDS:
Part Number:
R53PC29
Cage Code:
63857
Status:
A
MSDS:
Part Number:
R53PCSP15
Cage Code:
63857
Status:
A
MSDS:
Part Number:
4700-3163646PC29
Cage Code:
80064
Status:
A
MSDS:
Part Number:
563-4105-938325PCSP15
Cage Code:
80064
Status:
A
MSDS:
Part Number:
563-4105-938325PC29
Cage Code:
80064
Status:
A
MSDS:
Part Number:
569-4700-1189569PC5P15
Cage Code:
80064
Status:
A
MSDS:
Part Number:
123-4403549 PIECE 7
Cage Code:
43689
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7508900000
  • NAICS: 332999
  • SITC: 69975
  • Description: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5305-00-275-8438
What are the manufacturers of nsn 5305002758438?
Does this nsn 5305002758438 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305002758438
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 5305002758438 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305002758438 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305002758438?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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