BM305SS

View detailed technical data, stock status, and sourcing information for: BM305SS
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-616-2390

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

binding head style, 0.312 inches maximum thread length, 0.312 inches nominal fastener length, right-hand thread direction, 2a thread class

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: 0.312 inches maximum
Fastener Length: 0.312 inches nominal
Head Style: binding
Head Diameter: 0.191 inches minimum and 0.208 inches maximum
Head Height: 0.047 inches minimum and 0.050 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.099 inches
Thread Quantity Per Inch: 56
Screw Material: steel comp 303 or steel comp 303se
Screw Material Document And Classification: mil-s-7720 mil spec 1st material response or mil-s-18732 mil spec 2nd material response
Screw Surface Treatment: passivate
Thread Series Designator: unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-215-6529	No Name Available	10/01/1975

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
225-305SS	Machine Screw
BH305SS	Machine Screw
BM305SS	Machine Screw
SMB526600-8	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-616-2390?

The FSCG of the NSN 5305-00-616-2390 is 5305

Does the NSN 5305-00-616-2390 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-616-2390 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 5305-00-616-2390 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-616-2390 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 5305-00-616-2390 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963