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Panel Screw Assembly NSN 5305-01-253-5918

Item Description

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

NSN 5305-01-253-5918 NSN: 5305-01-253-5918

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.369 inches and 0.431 inches
Fastener Length
Between 1.772 inches and 1.882 inches
Head Style
Hexagon
Head Height
Between 0.178 inches and 0.198 inches
Width Between Flats
Between 0.367 inches and 0.375 inches
Internal Drive Style
W/o internal drive
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
175000 pounds per square inch
Hardness Rating
35.0 rockwell c primary washer and 43.0 rockwell c primary washer
Special Features
Point length 0.205min and 0.235max
Material
Steel comp xm-13 fastener
Material Specification
Qq-s-763 federal specification all material responses stand-off
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
012535918
NSN
5305012535918

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
FT1226-4
Cage Code:
58794
Status:
A
MSDS:
Part Number:
587R107H02
Cage Code:
97942
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 5305-01-253-5918
What are the manufacturers of nsn 5305012535918?
Does this nsn 5305012535918 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305012535918
A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. attached to panel by threaded bushing or by flaring end of stand-off, or bushing. used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. may be spring loaded.
Does nsn 5305012535918 contain any precious metals?
No precious metal content.
Does nsn 5305012535918 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305012535918?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
33044
FIIG:
A003B0
App. Key:
SU
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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