GS550E08S8

View detailed technical data, stock status, and sourcing information for: GS550E08S8
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-141-6224

Item Name Code

16282

Assigment Date

01/10/1973 (53 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

round extended washer head style, 0.328 inches minimum and 0.422 inches maximum thread length, 0.469 inches minimum and 0.531 inches maximum fastener length, 3a thread class, right-hand thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.328 inches minimum and 0.422 inches maximum
Fastener Length: 0.469 inches minimum and 0.531 inches maximum
Head Style: round extended washer
Head Diameter: 0.312 inches nominal
Head Height: 0.082 inches minimum and 0.092 inches maximum
Extended Washer Diameter: 0.375 inches nominal
Extended Washer Thickness: 0.023 inches minimum and 0.028 inches maximum
Locking Feature: patch threads
Internal Drive Style: slot
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 125000 pounds per square inch
Part Name Assigned By Controlling Agency: navy special project
Material: steel comp 4037 or steel comp 8630 overall
Surface Treatment: cadmium or zinc overall
Surface Treatment Document And Classification: qq-p-416 fed spec 1st treatment response or qq-z-325 fed spec 2nd treatment response overall
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
GS550E08S8	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-141-6224?

The FSCG of the NSN 5305-00-141-6224 is 5305

Does the NSN 5305-00-141-6224 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-141-6224 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 5305-00-141-6224 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-141-6224 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 5305-00-141-6224 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Wed, Jan 10, 1973