S2-56X1-4

View detailed technical data, stock status, and sourcing information for: S2-56X1-4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-563-3064

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, 0.250 inches minimum thread length, pan no. 2 head style, 2a thread class, 0.250 inches nominal fastener 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: 0.250 inches minimum
Fastener Length: 0.250 inches nominal
Head Style: pan no. 2
Head Diameter: 0.168 inches nominal
Head Height: 0.055 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.086 inches
Thread Quantity Per Inch: 56
Screw Material: steel corrosion resisting
Screw Surface Treatment: passivate
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-766-5882	No Name Available	12/10/1969
5305-00-773-8729	No Name Available	02/16/1970
5305-00-917-0507	No Name Available	02/16/1970

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
501C57-52-52	Machine Screw
517-9000-247	Machine Screw
752640-062	Machine Screw
910077-1	Machine Screw
C320004409	Machine Screw
S2-56X1-4	Machine Screw
SS0256AA04	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-563-3064?

The FSCG of the NSN 5305-00-563-3064 is 5305

Does the NSN 5305-00-563-3064 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-563-3064 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 5305-00-563-3064 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-563-3064 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 5305-00-563-3064 was assigned to the Federal Catalog?

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