81581-G

View detailed technical data, stock status, and sourcing information for: 81581-G
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 part 81581-G 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

5310-01-059-0262

Item Name Code

15895

Assigment Date

04/06/1978 (48 years ago)

A metallic headed fastener having internal threads for a portion of the full length. It may have a smooth, hexagon or splined shank with an open or closed end. It is designed to be expanded tightly against the material it is being installed in by means of a special tool. The item must have a specified grip range. The grip range is the thickness of the material the item is being installed in. An integral feature is incorporated for locking on the threads of a mating member.

+1.1369 to 1.1409 inches thread pitch diameters, 1.500 inches nominal small end diameter, prevailing torque with nonmetallic insert locking feature, right-hand thread direction, 0.089 inches minimum and 0.096 inches maximum drive point depth

Product Characteristics

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

Thread Pitch Diameters: +1.1369 to 1.1409 inches
Thread Direction: right-hand
Locking Feature: prevailing torque with nonmetallic insert
Small End Diameter: 1.500 inches nominal
Drive Point Depth: 0.089 inches minimum and 0.096 inches maximum
Nut Style: round
Nut Diameter: 1.735 inches minimum and 1.750 inches maximum
Nut Thickness: 0.437 inches minimum and 0.469 inches maximum
Drive Point Width: 0.168 inches minimum and 0.198 inches maximum
Undercut Thickness: 0.141 inches nominal
Drive Point Quantity: 4
Temp Rating: 350.0 fahrenheit maximum
Thread Series: uns
Thread Quantity Per Inch: 18
Nominal Thread Size: 1.173 inches
Material: plastic polyamide (nylon) locking insert
Material: steel overall except insert

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-01-057-2368	No Name Available	02/01/1994

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
81581-G	Round Self-Locking Nut
912065-2	Round Self-Locking Nut
BHM-06	Round Self-Locking Nut
BHM06	Round Self-Locking Nut
BL-N-06	Round Self-Locking Nut
H2650-1050 PIEC	Round Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-059-0262?

The FSCG of the NSN 5310-01-059-0262 is 5310

Does the NSN 5310-01-059-0262 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-059-0262 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 5310-01-059-0262 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-059-0262 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 5310-01-059-0262 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Thu, Apr 6, 1978