5305-01-664-8428

Find complete technical information, availability, and procurement data for: 5305-01-664-8428
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-664-8428

Item Name Code

18257

Assigment Date

07/07/2017 (9 years ago)

Two or more sheets, written or printed,or stored on electonic media, containing no programs or software, outlining maintenance, installation and/or operating information applicable to one or more related pieces of equipment. It may have a cover. The sheets may be fastened by staple(s), loosely folded, and/or punched for loose-leaf binding. See also book. For single sheet items, see chart (as modified) and sheet, technical.

2a thread class, right-hand thread direction, hexagon head style, 1.250 inches nominal thread length, 1.250 inches nominal fastener 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: 2a
Thread Direction: right-hand
Thread Length: 1.250 inches nominal
Fastener Length: 1.250 inches nominal
Head Style: hexagon
Head Height: 0.302 inches minimum and 0.323 inches maximum
Width Between Flats: 0.736 inches minimum and 0.750 inches maximum
Nominal Thread Diameter: 0.50 inches
Thread Quantity Per Inch: 13
Minimum Tensile Strength: 120000 pounds per square inch
Chamfer Angle: 15.0 degrees minimum and 30.0 degrees maximum
Part Name Assigned By Controlling Agency: hex cap screw, unc-2a carbon steel, yellow zinc plated sae j429, grade a5
Special Features: width across corners min. 0.840 max 0.866
Color: yellow overall
Material: steel and steel corrosion resisting overall
Material Document And Classification: sae j995 national std single material response overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: astm f 1941 assn std single treatment response 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
050-000030-115	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-664-8428?

The FSCG of the NSN 5305-01-664-8428 is 5305

Does the NSN 5305-01-664-8428 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-664-8428 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 5305-01-664-8428 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-664-8428 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 5305-01-664-8428 was assigned to the Federal Catalog?

It was assigned 9 years ago, on Fri, Jul 7, 2017