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Panel Screw Assembly NSN 5305-01-279-2343

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 5305-01-279-2343 NSN: 5305-01-279-2343

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.360 inches and 0.390 inches
Fastener Length
1.060 inches
Head Style
Hexagon extended washer
Head Height
0.180 inches
Width Between Flats
Between 0.420 inches and 0.460 inches
Extended Washer Diameter
Between 0.480 inches and 0.520 inches
Internal Drive Style
W/o internal drive
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Material
Steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303 plus x or steel comp 303se or steel comp 303cu or steel comp 303ma or steel comp 304 or steel comp 304l
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
012792343
NSN
5305012792343

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
CA28141-12
Cage Code:
29372
Status:
A
MSDS:
Part Number:
FT1820-12S12
Cage Code:
58794
Status:
A
MSDS:
Part Number:
C7997-4S12
Cage Code:
81755
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 5305-01-279-2343
What are the manufacturers of nsn 5305012792343?
Does this nsn 5305012792343 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305012792343
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 5305012792343 contain any precious metals?
No precious metal content.
Does nsn 5305012792343 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305012792343?
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
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