5305-01-574-7590

Find complete technical information, availability, and procurement data for: 5305-01-574-7590
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-574-7590

Item Name Code

06657

Assigment Date

06/09/2009 (17 years ago)

An item with internal machine threads designed to fit the external machine threads of a tube fitting. It has flat faces, one of which has a counterbored recess to accommodate packing, packing or sealing ring(s), gasket(s), and the like. The item, when installed, provides a method of locking and sealing the connection. See also locknut, pipe; nut (1), tube coupling and nut (1), plain, hexagon.

2a thread class, 0.178 inches minimum and 0.198 inches maximum thread length, right-hand thread direction, pan head style, 0.375 inches minimum and 1.000 inches maximum 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: 0.178 inches minimum and 0.198 inches maximum
Fastener Length: 0.375 inches minimum and 1.000 inches maximum
Head Style: pan
Head Diameter: 0.169 inches minimum and 0.182 inches maximum
Head Height: 0.105 inches minimum and 0.115 inches maximum
Internal Drive Style: cross recess type ii
End Item Identification: 77c733140g003 (03538) an/blq-10 a(v)2 fy06 bsm sys
Nominal Thread Diameter: 0.164 inches
Features Provided: lock washer
Thread Quantity Per Inch: 32
Part Name Assigned By Controlling Agency: pan head captive panel screws phillips head
Screw Material: steel comp 302 and steel comp 304
Screw Surface Treatment: passivate
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
114056PP.375SSGF-12	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-574-7590?

The FSCG of the NSN 5305-01-574-7590 is 5305

Does the NSN 5305-01-574-7590 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-574-7590 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 5305-01-574-7590 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-574-7590 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 5305-01-574-7590 was assigned to the Federal Catalog?

It was assigned 17 years ago, on Tue, Jun 9, 2009