GS550E08S7

View detailed technical data, stock status, and sourcing information for: GS550E08S7
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-401-4461

Item Name Code

16282

Assigment Date

01/15/1972 (54 years ago)

right-hand thread direction, 0.409 inches minimum and 0.469 inches maximum fastener length, 3a thread class, round extended washer head style, 0.267 inches minimum and 0.423 inches maximum 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: 3a
Thread Direction: right-hand
Thread Length: 0.267 inches minimum and 0.423 inches maximum
Fastener Length: 0.409 inches minimum and 0.469 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: pellet threads
Internal Drive Style: slot
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 125000 pounds per square inch
Material: steel comp 8630 or steel comp 4037 overall
Material Document And Classification: mil-s-6050 mil spec 1st material response or mil-s-8695 mil spec 2nd material response overall
Surface Treatment: cadmium and zinc overall
Surface Treatment Document And Classification: an-p-61 mil std single treatment response and qq-z-325 fed spec single treatment response overall
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-124-9057	No Name Available	09/01/1985

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
GS550E08S7	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-401-4461?

The FSCG of the NSN 5305-00-401-4461 is 5305

Does the NSN 5305-00-401-4461 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-401-4461 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 5305-00-401-4461 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-401-4461 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 5305-00-401-4461 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sat, Jan 15, 1972