P18616

View detailed technical data, stock status, and sourcing information for: P18616
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-147-9524

Item Name Code

22846

Assigment Date

01/01/1961 (65 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes:bolt, internal wrenching and screw, cap, socket head.

3a thread class, hexagon head style, right-hand thread direction, 0.656 inches nominal fastener length, 0.240 inches minimum thread 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: 0.240 inches minimum
Fastener Length: 0.656 inches nominal
Head Style: hexagon
Head Height: 0.125 inches nominal
Width Between Flats: 0.312 inches nominal
Shank Unthreaded Hole Diameter: 0.055 inches nominal first hole
Internal Drive Style: slot
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Hardness Rating: 26.0 rockwell c minimum and 33.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center: 0.576 inches nominal first hole
Material: steel comp 416f overall
Surface Treatment: passivate 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
P18616	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-00-147-9524?

The FSCG of the NSN 5305-00-147-9524 is 5305

Does the NSN 5305-00-147-9524 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-147-9524 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 5305-00-147-9524 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-147-9524 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 5305-00-147-9524 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961