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5305-01-559-7983

Find complete technical information, availability, and procurement data for: 5305-01-559-7983

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5305-01-559-7983
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-559-7983
Item Name Code
18257
Assigment Date
01/07/2008 (18 years ago)

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.

4.000 inches nominal fastener length, right-hand thread direction, 2b thread class, hexagon head style, 3.500 inches nominal thread length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
2b
Thread Direction
right-hand
Thread Length
3.500 inches nominal
Fastener Length
4.000 inches nominal
Head Style
hexagon
Head Height
0.250 inches nominal
Width Between Flats
0.438 inches nominal
Nominal Thread Diameter
0.250 inches
Thread Quantity Per Inch
20
Part Name Assigned By Controlling Agency
screw custom
Material
steel comp 630 overall
Thread Series Designator
unc

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
8224469-1 Hexagon Head Cap Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-559-7983?
The FSCG of the NSN 5305-01-559-7983 is 5305
Does the NSN 5305-01-559-7983 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-559-7983 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5305-01-559-7983 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-559-7983 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5305-01-559-7983 was assigned to the Federal Catalog?
It was assigned 18 years ago, on Mon, Jan 7, 2008

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