5305-01-383-0887

Find complete technical information, availability, and procurement data for: 5305-01-383-0887
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-383-0887

Item Name Code

06657

Assigment Date

11/18/1993 (32 years ago)

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

flat countersunk undercut head style, 0.312 inches nominal thread length, right-hand thread direction, 0.485 inches minimum and 0.531 inches maximum fastener length, 2a 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: 2a
Thread Direction: right-hand
Thread Length: 0.312 inches nominal
Fastener Length: 0.485 inches minimum and 0.531 inches maximum
Head Style: flat countersunk undercut
Head Diameter: 0.257 inches minimum and 0.279 inches maximum
Head Height: 0.055 inches nominal
Locking Feature: pellet or strip or patch
Internal Drive Style: cross recess type iii
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: steel
Locking Feature Material: plastic polyamide (nylon)
Screw Surface Treatment: chromate and cadmium
Screw Surface Treatment Document And Classification: qq-p-416 ty2 cl3 fed spec all treatment responses
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
MS21091-06003	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-383-0887?

The FSCG of the NSN 5305-01-383-0887 is 5305

Does the NSN 5305-01-383-0887 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-383-0887 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 5305-01-383-0887 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-383-0887 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 5305-01-383-0887 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Thu, Nov 18, 1993