549571-9

View detailed technical data, stock status, and sourcing information for: 549571-9
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-027-3954

Item Name Code

05280

Assigment Date

05/17/1968 (58 years ago)

A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

2b thread class, prevailing torque with nonmetallic insert locking feature, 1.338 inches nominal nut length, right-hand thread direction, 0.150 inches nominal nut height

Product Characteristics

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

Thread Class: 2b
Thread Direction: right-hand
Locking Feature: prevailing torque with nonmetallic insert
Nut Length: 1.338 inches nominal
Nut Height: 0.150 inches nominal
Plate Thickness: 0.062 inches nominal
Plate Width: 1.330 inches nominal
Thread Series: unc
Thread Quantity Per Inch: 40
Nominal Thread Size: 0.112 inches
Material: plastic locking insert
Material: steel overall except insert
Surface Treatment: cadmium and chromate overall except insert

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
549571-9	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-027-3954?

The FSCG of the NSN 5310-00-027-3954 is 5310

Does the NSN 5310-00-027-3954 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-027-3954 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 5310-00-027-3954 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-027-3954 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 5310-00-027-3954 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Fri, May 17, 1968