5305-01-297-1770

Find complete technical information, availability, and procurement data for: 5305-01-297-1770
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-297-1770

Item Name Code

16282

Assigment Date

03/30/1989 (37 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

3a thread class, right-hand thread direction, 0.408 inches minimum and 0.500 inches maximum thread length, 0.470 inches minimum and 0.500 inches maximum fastener length, flat chamfer 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: 3a
Thread Direction: right-hand
Thread Length: 0.408 inches minimum and 0.500 inches maximum
Fastener Length: 0.470 inches minimum and 0.500 inches maximum
Head Style: flat chamfer
Head Diameter: 0.303 inches minimum and 0.313 inches maximum
Head Height: 0.185 inches minimum and 0.190 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.190 inches
Width Across Flats: 0.156 inches minimum and 0.159 inches maximum
Thread Quantity Per Inch: 32
Color: gray/grey overall
Material: steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 overall
Material Document And Classification: fed 66 fed std all material responses overall
Surface Treatment: ceramic overall
Surface Treatment Document And Classification: mil-c-81751 ty 1,cl 4 mil spec single treatment response overall
Thread Series Designator: unf

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
6242949-10	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-297-1770?

The FSCG of the NSN 5305-01-297-1770 is 5305

Does the NSN 5305-01-297-1770 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-297-1770 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 5305-01-297-1770 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-297-1770 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 5305-01-297-1770 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Thu, Mar 30, 1989