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Panel Screw Assembly NSN 5305-01-472-5644

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 5305-01-472-5644 NSN: 5305-01-472-5644

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Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.500 inches
Fastener Length
1.938 inches
Head Style
Hexagon
Width Between Flats
Between 0.428 inches and 0.438 inches
Internal Drive Style
W/o internal drive
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
20
Special Features
Head 0.250 - 20 unc 2b 0.438
Material
Steel
Surface Treatment
Chromate zinc
Surface Treatment Specification
Iaw5633, typeii, classfe/zn 5 assn standard 1st treatment response
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
014725644
NSN
5305014725644

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
HR4L P/SB
Cage Code:
59793
Status:
A
MSDS:
Part Number:
12413103-04
Cage Code:
19207
Status:
A
MSDS:
Part Number:
12431103-04
Cage Code:
0FW39
Status:
A
MSDS:
Part Number:
12413103
Cage Code:
19207
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 5305-01-472-5644
What are the manufacturers of nsn 5305014725644?
Does this nsn 5305014725644 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305014725644
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 5305014725644 contain any precious metals?
No precious metal content.
Does nsn 5305014725644 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305014725644?
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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