NAS1726-3D

View detailed technical data, stock status, and sourcing information for: NAS1726-3D
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-059-7520

Item Name Code

29736

Assigment Date

04/15/1978 (48 years ago)

3b thread class, 0.380 inches maximum washer outside diameter, right-hand thread direction, 0.211 inches minimum and 0.221 inches maximum nut counterbore diameter, prevailing torque all metal design locking feature

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Washer Outside Diameter: 0.380 inches maximum
Counterbore Diameter: 0.211 inches minimum and 0.221 inches maximum nut
Lubrication: dry film lubricant
Overall Height: 0.223 inches minimum and 0.243 inches maximum
Nut Style: flat with turned up edge
Width Across Flats: 0.213 inches minimum and 0.221 inches maximum
Temp Rating: 450.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 32
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum
Nominal Thread Size: 0.190 inches
Bearing Surface Finish: 125.0 microinches
Special Features: washer rockwell c scale 40 min and rockwell c scale 45 max
Material: steel comp 1050 washer
Material: steel comp 4340 or steel comp 8740 nut
Surface Treatment: cadmium and chromate nut
Surface Treatment: cadmium and chromate washer
Surface Treatment Document And Classification: qq-p-416 type 2 class 2 fed spec single treatment response nut
Surface Treatment Document And Classification: qq-p-416 type 2 class 2 fed spec single treatment response washer
Specification/Standard Data: 80205-nas1726 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
5310PL0748596	Assembled Washe Self-Locking Nut
NAS1726-3D	Assembled Washe Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-059-7520?

The FSCG of the NSN 5310-01-059-7520 is 5310

Does the NSN 5310-01-059-7520 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-059-7520 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 5310-01-059-7520 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-059-7520 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 5310-01-059-7520 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sat, Apr 15, 1978