5310-00-281-6726

Find complete technical information, availability, and procurement data for: 5310-00-281-6726
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-281-6726

Item Name Code

05277

Assigment Date

08/22/1973 (52 years ago)

3b thread class, hexagon nut style, right-hand thread direction, soluble lubricant lubrication, prevailing torque with nonmetallic insert 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 with nonmetallic insert
Lubrication: soluble lubricant
Nut Style: hexagon
Nut Height: 0.229 inches minimum and 0.249 inches maximum
Width Across Flats: 0.365 inches minimum and 0.377 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Bearing Surface Type: chamfered
Part Name Assigned By Controlling Agency: navy special project
Material: plastic polyamide (nylon) locking insert
Material: steel comp 303 nut
Material Document And Classification: aisi assn std single material response overall
Surface Treatment: passivate overall except insert

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-112-1454	No Name Available	01/01/1982

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
002-004161-005	Hexagon Self-Locking Nut
79NM408-048	Hexagon Self-Locking Nut
C11-20061	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-281-6726?

The FSCG of the NSN 5310-00-281-6726 is 5310

Does the NSN 5310-00-281-6726 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-281-6726 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 5310-00-281-6726 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-281-6726 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 5310-00-281-6726 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Wed, Aug 22, 1973