5305-01-046-3899

Find complete technical information, availability, and procurement data for: 5305-01-046-3899
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-046-3899

Item Name Code

18257

Assigment Date

08/17/1977 (48 years ago)

A bent hollow item, welded or seamless. It has a round, square or any other cross section, with a continuous periphery. It is primarily designed to convey fluids, gases and/or semisolids. Excludes:items of circular cross section which conform in dimensional characteristics to pipe, metallic; elbow, pipe; elbow, tube; bend, electrical conduit; bend, pipe, return; and bend, tube, return. For items with end fittings on one or both ends, see tube assembly, metal.

2a thread class, right-hand thread direction, 1.938 inches minimum and 2.000 inches maximum fastener length, 0.750 inches minimum and 0.938 inches maximum thread length, 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
Thread Direction: right-hand
Thread Length: 0.750 inches minimum and 0.938 inches maximum
Fastener Length: 1.938 inches minimum and 2.000 inches maximum
Head Style: hexagon
Head Height: 0.150 inches minimum and 0.163 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
Hole Diameter: 0.061 inches minimum and 0.069 inches maximum
Nominal Thread Diameter: 0.250 inches
Hole Quantity: 1
Hole Type: drilled
Features Provided: finished head
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 150000 pounds per square inch
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
Hole Configuration Style: hexagon flats
Material: steel overall
Material Document And Classification: astm a354, grade bd assn std single material response overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: astm b633, type 2 assn std all treatment responses 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
5306010463899	Hexagon Head Cap Screw
B1821BH025C200D	Hexagon Head Cap Screw
MS18154-12	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-046-3899?

The FSCG of the NSN 5305-01-046-3899 is 5305

Does the NSN 5305-01-046-3899 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-046-3899 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 5305-01-046-3899 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-046-3899 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 5305-01-046-3899 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Wed, Aug 17, 1977