5305-01-421-2047

Find complete technical information, availability, and procurement data for: 5305-01-421-2047
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-421-2047

Item Name Code

06673

Assigment Date

11/03/1995 (30 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, 0.420 inches nominal thread length, knurled no. 1 head style, 0.500 inches nominal fastener length, right-hand thread direction

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: 0.420 inches nominal
Fastener Length: 0.500 inches nominal
Head Style: knurled no. 1
Head Diameter: 0.500 inches nominal
Head Height: 0.500 inches nominal
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Special Features: threads undercut for relief: 0.193 in. dia. porm 0.002 in. x 0.080 in. wide
Material: steel comp xm-12 overall
Material Document And Classification: ams 5659 assn std single material 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
2021AS271	Thumbscrew
MBEU143434	Thumbscrew

FAQs

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

What is the FSCG of the NSN 5305-01-421-2047?

The FSCG of the NSN 5305-01-421-2047 is 5305

Does the NSN 5305-01-421-2047 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-421-2047 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 5305-01-421-2047 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-421-2047 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 5305-01-421-2047 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Nov 3, 1995