HW51550-4

View detailed technical data, stock status, and sourcing information for: HW51550-4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-522-3353

Item Name Code

29730

Assigment Date

07/27/2004 (22 years ago)

3b thread class, 0.460 inches maximum washer outside diameter, 0.280 inches nominal overall height, prevailing torque all metal design locking feature, right-hand thread direction

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: 0.460 inches maximum
Overall Height: 0.280 inches nominal
Nut Style: hexagon
End Item Identification: c-130j hercules aircraft
Width Across Flats: 0.305 inches minimum and 0.313 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Part Name Assigned By Controlling Agency: nut - 6 point, captive washer, self-locking
Special Features: upper threaded portion formed out of round to provide self locking action
Material: iron alloy 660 nut
Material: iron alloy 660 washer
Material Document And Classification: ams5525 assn std single material response washer
Material Document And Classification: ams5732 assn std 1st material response or ams5737 assn std 2nd material response nut
Surface Treatment: passivate nut
Surface Treatment: passivate washer

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
HW51550-4	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-522-3353?

The FSCG of the NSN 5310-01-522-3353 is 5310

Does the NSN 5310-01-522-3353 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-522-3353 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 5310-01-522-3353 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-522-3353 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 5310-01-522-3353 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Tue, Jul 27, 2004