WC4025L-4-18

View detailed technical data, stock status, and sourcing information for: WC4025L-4-18
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-518-5807

Item Name Code

29294

Assigment Date

08/13/1974 (51 years ago)

right-hand thread direction, flat countersunk head style, 1.579 inches minimum and 1.609 inches maximum fastener length, 3a thread class, 0.444 inches minimum and 0.494 inches maximum 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: 0.444 inches minimum and 0.494 inches maximum
Fastener Length: 1.579 inches minimum and 1.609 inches maximum
Head Style: flat countersunk
Head Diameter: 0.497 inches minimum and 0.507 inches maximum
Grip Diameter: 0.2490 inches minimum and 0.2495 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Grip Length: 1.115 inches minimum and 1.135 inches maximum
Thread Quantity Per Inch: 28
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: steel corrosion resisting overall
Surface Treatment: passivate 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
11905-4L18	Close Tolerance Screw
HT4025L4-18	Close Tolerance Screw
ST3M454-4L18	Close Tolerance Screw
WC4025L-4-18	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-00-518-5807?

The FSCG of the NSN 5305-00-518-5807 is 5305

Does the NSN 5305-00-518-5807 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-518-5807 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 5305-00-518-5807 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-518-5807 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 5305-00-518-5807 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Tue, Aug 13, 1974