ST3M506-3-2-1

View detailed technical data, stock status, and sourcing information for: ST3M506-3-2-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-045-3019

Item Name Code

16282

Assigment Date

07/29/1977 (48 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.

0.3310 inches nominal thread length, fillister countersunk head style, 0.4410 inches minimum and 0.4880 inches maximum fastener length, right-hand thread direction, 3a thread class

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: 0.3310 inches nominal
Fastener Length: 0.4410 inches minimum and 0.4880 inches maximum
Head Style: fillister countersunk
Head Diameter: 0.3275 inches minimum and 0.3325 inches maximum
Head Height: 0.0130 inches nominal
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.1900 inches
Thread Quantity Per Inch: 32
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: steel corrosion resisting overall
Thread Series Designator: unjf

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
HT4016-3-2Y	Socket Head Cap Screw
ST3M506-3-2-1	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-045-3019?

The FSCG of the NSN 5305-01-045-3019 is 5305

Does the NSN 5305-01-045-3019 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-045-3019 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 5305-01-045-3019 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-045-3019 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 5305-01-045-3019 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Fri, Jul 29, 1977