5305-01-386-8146

Find complete technical information, availability, and procurement data for: 5305-01-386-8146
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-386-8146

Item Name Code

06657

Assigment Date

02/16/1994 (32 years ago)

An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see bolt, fluid passage.

2a thread class, right-hand thread direction, watertight head style, 0.500 inches nominal fastener length, 0.500 inches nominal thread 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: 0.500 inches nominal
Fastener Length: 0.500 inches nominal
Head Style: watertight
Head Diameter: 0.306 inches minimum and 0.347 inches maximum
Head Height: 0.105 inches minimum and 0.115 inches maximum
Locking Feature: strip or pellet or patch
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.164 inches
Features Provided: o ring
Thread Quantity Per Inch: 32
Screw Material: steel comp 304 or steel comp 305 or steel comp 316 or steel comp 384
Locking Feature Material: plastic polyamide (nylon)
Locking Feature Material Document And Classification: mil-f-18240 mil spec single material response and ms15981 mil spec single material response
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response
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
MS3213-25L	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-386-8146?

The FSCG of the NSN 5305-01-386-8146 is 5305

Does the NSN 5305-01-386-8146 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-386-8146 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 5305-01-386-8146 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-386-8146 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 5305-01-386-8146 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Wed, Feb 16, 1994