5305-01-417-3872

Find complete technical information, availability, and procurement data for: 5305-01-417-3872
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-417-3872

Item Name Code

18257

Assigment Date

08/06/1995 (30 years ago)

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

2a thread class, 3.000 inches nominal fastener length, 0.303 inches minimum and 0.364 inches maximum head height, 0.725 inches minimum and 0.750 inches maximum width between flats, hexagon head style

Product Characteristics

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

Thread Class: 2a
Fastener Length: 3.000 inches nominal
Head Style: hexagon
Head Height: 0.303 inches minimum and 0.364 inches maximum
Width Between Flats: 0.725 inches minimum and 0.750 inches maximum
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 13
Special Features: drilled for locking wire
Material: steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385 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
A220050C300	Hexagon Head Cap Screw
H20065C001 ITEM 169	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-417-3872?

The FSCG of the NSN 5305-01-417-3872 is 5305

Does the NSN 5305-01-417-3872 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-417-3872 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 5305-01-417-3872 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-417-3872 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 5305-01-417-3872 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Sun, Aug 6, 1995