5310-00-556-6821

Find complete technical information, availability, and procurement data for: 5310-00-556-6821
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 5310-00-556-6821 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-556-6821

Item Name Code

29729

Assigment Date

11/08/1974 (51 years ago)

3b thread class, right-hand thread direction, 0.211 inches minimum and 0.221 inches maximum nut counterbore diameter, 0.380 inches maximum washer outside 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: double hexagon
Washer Thickness: 0.072 inches minimum and 0.087 inches maximum
Nut Counterbore Depth: 0.072 inches minimum and 0.087 inches maximum nut
Width Across Flats: 0.213 inches minimum and 0.221 inches maximum
Temp Rating: 450.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 32
Hardness Rating: 35.0 rockwell c minimum and 40.0 rockwell c maximum
Nominal Thread Size: 0.190 inches
Material: steel comp 1040 or steel comp 1042 or steel comp 1050 nut
Material: steel comp 8740 washer
Material Document And Classification: aisi1040 assn std 1st material response or aisi1042 assn std 2nd material response or aisi1050 assn std 3rd material response nut
Material Document And Classification: ams6322 assn std single material response or mil-s-6049 comp 8740 mil spec single material response washer
Surface Treatment: cadmium nut
Surface Treatment: cadmium washer
Surface Treatment Document And Classification: qq-p-416 type2,class3 fed spec single treatment response washer
Surface Treatment Document And Classification: qq-p-416 fed spec single treatment response nut

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
5310PL0842039	Extended Washer Self-Locking Nut
69233SBD	Extended Washer Self-Locking Nut
BACN10HY3M	Extended Washer Self-Locking Nut
HW29872	Extended Washer Self-Locking Nut
RMLH9073	Extended Washer Self-Locking Nut
TLN1001W3	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-556-6821?

The FSCG of the NSN 5310-00-556-6821 is 5310

Does the NSN 5310-00-556-6821 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-556-6821 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 5310-00-556-6821 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-556-6821 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 5310-00-556-6821 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Fri, Nov 8, 1974