NAS1640-0C

View detailed technical data, stock status, and sourcing information for: NAS1640-0C
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-341-7049

Item Name Code

14218

Assigment Date

01/15/1974 (52 years ago)

A metallic headed fastener having internal threads for a portion of the full length. It may have a smooth, hexagon or splined shank with an open or closed end. Is designed to be expanded tightly against the material it is being installed in by means of a special tool. The item must have a specified grip range. The grip range is the thickness of the material the item is being installed in. See also nut (1) self-locking, blind rivet. Excludes:nut (1), sleeve.

0.022 inches nominal material thickness, 0.123 inches maximum outside diameter, 35.0 rockwell c minimum and 45.0 rockwell c maximum hardness rating, 0.062 inches minimum and 0.071 inches maximum hole diameter, quenched and tempered heat treatment

Product Characteristics

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

Hole Diameter: 0.062 inches minimum and 0.071 inches maximum
Outside Diameter: 0.123 inches maximum
Material Thickness: 0.022 inches nominal
Hardness Rating: 35.0 rockwell c minimum and 45.0 rockwell c maximum
Heat Treatment: quenched and tempered
Material: steel comp 301 or steel comp 302 or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 348 or steel comp 385 or steel comp 384 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Style Designator: split helical-right hand
Specification/Standard Data: 80205-nas1640 professional/industrial association standard

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
NAS1640-0C	Lock Washer
NAS1640-DC	Lock Washer
NAS1640C0	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-00-341-7049?

The FSCG of the NSN 5310-00-341-7049 is 5310

Does the NSN 5310-00-341-7049 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-00-341-7049 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 5310-00-341-7049 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-341-7049 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 5310-00-341-7049 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Tue, Jan 15, 1974