SP1561-832-10

View detailed technical data, stock status, and sourcing information for: SP1561-832-10
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-639-5143

Item Name Code

06660

Assigment Date

01/01/1963 (63 years ago)

A screw, (as modified) to which has been assembled one or more nonremovable washer(s).

flat countersunk head style, 0.625 inches nominal fastener length, right-hand thread direction, 2a thread class, 0.510 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: 0.510 inches minimum
Fastener Length: 0.625 inches nominal
Head Style: flat countersunk
Head Diameter: 0.275 inches minimum and 0.305 inches maximum
Washer Quantity: 1
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Countersink Angle: 100.0 degrees nominal
Primary Washer Outside Diameter: 0.645 inches minimum and 0.665 inches maximum
Primary Washer Style: dome internal teeth
Primary Washer Material Thickness: 0.018 inches nominal
Material: steel comp 1022 fastener
Material: steel primary washer
Surface Treatment: cadmium overall
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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-207-9246	No Name Available	06/01/1976

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
H63-081015-01	Assembled Washer Screw
SP1561-832-10	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-00-639-5143?

The FSCG of the NSN 5305-00-639-5143 is 5305

Does the NSN 5305-00-639-5143 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-639-5143 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 5305-00-639-5143 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-639-5143 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 5305-00-639-5143 was assigned to the Federal Catalog?

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