644436-1

View detailed technical data, stock status, and sourcing information for: 644436-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5315 Pins, Machine Keys and Nails

National Stock Number

5315-00-419-0741

Item Name Code

16749

Assigment Date

12/02/1970 (55 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.

right-hand thread direction, chamfered first end style, chamfered second end style, 2a thread class, 0.540 inches nominal thread length

Product Characteristics

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

First End Style: chamfered
Second End Style: chamfered
Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.540 inches nominal
Shank Length: 0.620 inches nominal
Shoulder Diameter: 0.625 inches nominal
Shoulder Width Across Flats: 0.500 inches nominal
Shank Diameter: 0.244 inches minimum and 0.246 inches maximum
Overall Length: 1.660 inches nominal
First End Taper Length: 0.030 inches nominal
Second End Taper Length: 0.250 inches nominal
Second End Relationship With First End: not identical
Hardness Rating: 40.0 rockwell c minimum and 43.0 rockwell c maximum overall
Nominal Thread Size: 0.250 inches
Second Shank Diameter: 0.247 inches minimum and 0.249 inches maximum
First End Location: threaded end
First End Taper Angle: 45.0 degrees nominal
Surface Finish: 63.000 microinches both ends
Second End Taper Angle: 30.0 degrees nominal
Second Shank Length: 0.790 inches nominal
Material: steel comp 416 overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: mil-f-14072,e300 mil spec single treatment response overall
Style Designator: shoulder
Thread Series Designator: unf

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
644436-1	Headless Shoulder Pin

FAQs

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

What is the FSCG of the NSN 5315-00-419-0741?

The FSCG of the NSN 5315-00-419-0741 is 5315

Does NSN 5315-00-419-0741 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 5315-00-419-0741 contain precious materials?

Precious metal content is unknown

Does NSN 5315-00-419-0741 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 5315-00-419-0741 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Dec 2, 1970