91770A537

View detailed technical data, stock status, and sourcing information for: 91770A537
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-631-5526

Item Name Code

06657

Assigment Date

09/17/2014 (11 years ago)

A replaceable device designed to remove solid particles from flowing liquids. The removal of particles is accomplished by porous material (metallic or non-metallic), wire mesh, perforated metal, or the like, constructed so the liquid can flow through the device while the solid particles are retained. It is designed to fit into a strainer, sediment (or similar cavity). It may have a reinforcement to prevent collapsing, distorting or rupturing. The degree of particles removed must be nominally rated at 50 microns, or more, or absolutely rated at 75 microns, or more. See also filter element, fluid.

2a thread class, right-hand thread direction, truss head style, 0.500 inches nominal thread length, 0.500 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: 0.500 inches nominal
Fastener Length: 0.500 inches nominal
Head Style: truss
Head Diameter: 0.573 inches nominal
Head Height: 0.150 inches nominal
Internal Drive Style: cross recess type ii
End Item Identification: 4940-01-601-1930
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Screw Material: steel corrosion resisting
Special Features: oem is parker hannifin
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
91770A537	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-631-5526?

The FSCG of the NSN 5305-01-631-5526 is 5305

Does the NSN 5305-01-631-5526 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-631-5526 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 5305-01-631-5526 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-631-5526 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 5305-01-631-5526 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Wed, Sep 17, 2014