MS51959-91S316

View detailed technical data, stock status, and sourcing information for: MS51959-91S316
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-510-0361

Item Name Code

06657

Assigment Date

07/11/2003 (23 years ago)

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

right-hand thread direction, 1.750 inches nominal thread length, 3.000 inches nominal fastener length, 2a thread class, flat countersunk head style

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: 1.750 inches nominal
Fastener Length: 3.000 inches nominal
Head Style: flat countersunk
Head Diameter: 0.477 inches minimum and 0.507 inches maximum
Internal Drive Style: cross recess type 1
End Item Identification: wld-1 maint d
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Countersink Angle: 80.0 degrees minimum and 82.0 degrees maximum
Screw Material: steel comp 316 or steel comp 316l
Screw Material Document And Classification: qq-s-763 fed spec single material response
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response
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
MS51959-91S316	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-510-0361?

The FSCG of the NSN 5305-01-510-0361 is 5305

Does the NSN 5305-01-510-0361 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-510-0361 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 5305-01-510-0361 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-510-0361 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 5305-01-510-0361 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Fri, Jul 11, 2003