SMB447958

View detailed technical data, stock status, and sourcing information for: SMB447958
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-901-6855

Item Name Code

06660

Assigment Date

01/01/1960 (66 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, splined or smoothed, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).

2a thread class, right-hand thread direction, pan no. 2 head style, 0.420 inches nominal fastener length, 0.140 inches minimum 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: 0.140 inches minimum
Fastener Length: 0.420 inches nominal
Head Style: pan no. 2
Head Diameter: 0.212 inches nominal
Head Height: 0.063 inches nominal
Washer Quantity: 1
Internal Drive Style: slot
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Primary Washer Outside Diameter: 0.165 inches nominal
Primary Washer Style: split helical ring
Primary Washer Material Thickness: 0.021 inches nominal
Special Features: non
Material: steel comp 4130 overall
Material Document And Classification: mil-s-6758 mil spec single material response overall
Surface Treatment: cadmium 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
300-2113	Assembled Washer Screw
SMB447958	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-00-901-6855?

The FSCG of the NSN 5305-00-901-6855 is 5305

Does the NSN 5305-00-901-6855 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-901-6855 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 5305-00-901-6855 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-901-6855 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 5305-00-901-6855 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960