5305-01-057-3741

Find complete technical information, availability, and procurement data for: 5305-01-057-3741
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-057-3741

Item Name Code

06657

Assigment Date

03/11/1978 (48 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, 0.334 inches minimum and 0.385 inches maximum thread length, right-hand thread direction, 0.370 inches minimum and 0.385 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: 0.334 inches minimum and 0.385 inches maximum
Fastener Length: 0.370 inches minimum and 0.385 inches maximum
Head Style: flat chamfer
Head Diameter: 0.153 inches minimum and 0.158 inches maximum
Head Height: 0.064 inches minimum and 0.069 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.099 inches
Thread Quantity Per Inch: 56
Part Name Assigned By Controlling Agency: navy special project
Screw Material: steel comp 303
Screw Surface Treatment: passivate
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
128SEAV14323-11	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-057-3741?

The FSCG of the NSN 5305-01-057-3741 is 5305

Does the NSN 5305-01-057-3741 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-057-3741 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 5305-01-057-3741 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-057-3741 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 5305-01-057-3741 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sat, Mar 11, 1978