4330-U

View detailed technical data, stock status, and sourcing information for: 4330-U
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-011-2190

Item Name Code

22846

Assigment Date

10/20/1975 (50 years ago)

3a thread class, 0.250 inches nominal thread length, right-hand thread direction, flat chamfer head style, 0.620 inches minimum and 0.630 inches maximum fastener 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: 0.250 inches nominal
Fastener Length: 0.620 inches minimum and 0.630 inches maximum
Head Style: flat chamfer
Head Diameter: 0.375 inches nominal
Head Height: 0.188 inches nominal
Shoulder Diameter: 0.248 inches minimum and 0.249 inches maximum first shoulder
Shoulder Length: 0.370 inches minimum and 0.380 inches maximum first shoulder
Internal Drive Style: slot
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Shoulder Shape: round first shoulder
Material: steel comp 303 overall
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
3450968-21	Shoulder Screw
4330-U	Shoulder Screw
SH6-21	Shoulder Screw
T320017701	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-011-2190?

The FSCG of the NSN 5305-01-011-2190 is 5305

Does the NSN 5305-01-011-2190 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-011-2190 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 5305-01-011-2190 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-011-2190 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 5305-01-011-2190 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Mon, Oct 20, 1975