531900E99401

View detailed technical data, stock status, and sourcing information for: 531900E99401
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-122-5402

Item Name Code

06657

Assigment Date

11/24/1981 (44 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, splined or smoothed, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).

binding head style, 0.282 inches minimum and 0.406 inches maximum thread length, 2a thread class, 0.344 inches minimum and 0.406 inches maximum fastener length, right-hand thread direction

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: 0.282 inches minimum and 0.406 inches maximum
Fastener Length: 0.344 inches minimum and 0.406 inches maximum
Head Style: binding
Head Diameter: 0.326 inches minimum and 0.344 inches maximum
Head Height: 0.095 inches minimum and 0.105 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Part Name Assigned By Controlling Agency: navy special project
Screw Material: plastic polyamide (nylon)
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
531900E99401	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-122-5402?

The FSCG of the NSN 5305-01-122-5402 is 5305

Does the NSN 5305-01-122-5402 have a Schedule B code assigned?

Yes, the Schedule B code is 3926909987

Does NSN 5305-01-122-5402 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 5305-01-122-5402 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-122-5402 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 5305-01-122-5402 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Tue, Nov 24, 1981