S6303-16

View detailed technical data, stock status, and sourcing information for: S6303-16
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-121-7899

Item Name Code

16282

Assigment Date

11/04/1968 (57 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.

0.969 inches minimum and 1.000 inches maximum fastener length, right-hand thread direction, 2a thread class, 0.919 inches minimum and 1.000 inches maximum thread length, fillister head style

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: 0.919 inches minimum and 1.000 inches maximum
Fastener Length: 0.969 inches minimum and 1.000 inches maximum
Head Style: fillister
Head Diameter: 0.166 inches minimum and 0.183 inches maximum
Head Height: 0.069 inches minimum and 0.079 inches maximum
Locking Feature: pellet threads
Internal Drive Style: slot
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Material: steel overall
Material Document And Classification: sae gr 8 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2,class 3 fed spec all treatment responses 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
M33GS440-16C	Socket Head Cap Screw
S6303-16	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-121-7899?

The FSCG of the NSN 5305-00-121-7899 is 5305

Does the NSN 5305-00-121-7899 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-121-7899 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 5305-00-121-7899 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-121-7899 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 5305-00-121-7899 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Mon, Nov 4, 1968