GS553A3B19

View detailed technical data, stock status, and sourcing information for: GS553A3B19
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-825-3571

Item Name Code

33044

Assigment Date

08/18/1967 (59 years ago)

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

2a thread class, 1.188 inches nominal fastener length, flat chamfer head style, right-hand thread direction, 0.375 inches nominal 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: 0.375 inches nominal
Fastener Length: 1.188 inches nominal
Head Style: flat chamfer
Head Diameter: 0.438 inches nominal
Head Height: 0.250 inches nominal
Material Accommodated Thickness: 0.094 inches minimum and 0.203 inches maximum
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Special Features: head vertically knurled
Material: steel corrosion resisting fastener
Material: steel corrosion resisting stand-off
Material: steel corrosion resisting spring
Surface Treatment: passivate fastener
Surface Treatment: passivate stand-off
Surface Treatment: passivate spring
Thread Series Designator: unf

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
53-16-813-24	Panel Screw Assembly
GS553A3B19	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-00-825-3571?

The FSCG of the NSN 5305-00-825-3571 is 5305

Does the NSN 5305-00-825-3571 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-825-3571 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 5305-00-825-3571 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-825-3571 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 5305-00-825-3571 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Aug 18, 1967