PK55Z8-4

View detailed technical data, stock status, and sourcing information for: PK55Z8-4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-497-4085

Item Name Code

41756

Assigment Date

01/01/1960 (66 years ago)

pan no. 2 head style, slot internal drive style, 0.250 inches nominal fastener length, 0.085 inches minimum and 0.096 inches maximum head height, 0.306 inches minimum and 0.322 inches maximum head diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Fastener Length: 0.250 inches nominal
Head Style: pan no. 2
Head Diameter: 0.306 inches minimum and 0.322 inches maximum
Head Height: 0.085 inches minimum and 0.096 inches maximum
Internal Drive Style: slot
Features Provided: casehardened
Nonmachine Thread Style: dog type (type b or c)
Nonmachine Nominal Thread Diameter: 0.164 inches
Material: steel comp 1010 or steel comp 1011 or steel comp 1015 or steel comp 1016 or steel comp 1018 or steel comp 1019 or steel comp 1020 overall
Material Document And Classification: qq-s-633 fed spec all material responses overall
Surface Treatment: cadmium overall
Nondefinitive Spec/Std Data: b type and 9s style

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
PK55Z8-4	Tapping Screw

FAQs

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

What is the FSCG of the NSN 5305-00-497-4085?

The FSCG of the NSN 5305-00-497-4085 is 5305

Does the NSN 5305-00-497-4085 have a Schedule B code assigned?

Yes, the Schedule B code is 7318140000

Does NSN 5305-00-497-4085 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 5305-00-497-4085 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-497-4085 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 5305-00-497-4085 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960