BH788-8

View detailed technical data, stock status, and sourcing information for: BH788-8
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-134-5784

Item Name Code

29730

Assigment Date

07/06/1982 (44 years ago)

A nut on which has been assembled a nonremovable washer. An integral feature is incorporated for locking on the threads of a mating member.

3b thread class, 0.725 inches minimum and 0.770 inches maximum washer outside diameter, right-hand thread direction, dry film lubricant lubrication, 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: 0.725 inches minimum and 0.770 inches maximum
Lubrication: dry film lubricant
Overall Height: 0.235 inches minimum and 0.265 inches maximum
Nut Style: slotted hexagon
Washer Thickness: 0.030 inches nominal
Width Across Flats: 0.633 inches nominal
Temp Rating: 450.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 20.0 pct min visible surface
Nominal Thread Size: 0.500 inches
Material: iron alloy 660 overall
Material Document And Classification: ams 5737 assn std single material response or ams 5525 assn std single material response overall

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
10109706	Extended Washer Self-Locking Nut
79318CM-820	Extended Washer Self-Locking Nut
BH788-8	Extended Washer Self-Locking Nut
E12589-8	Extended Washer Self-Locking Nut
ST3M788-8	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-134-5784?

The FSCG of the NSN 5310-01-134-5784 is 5310

Does the NSN 5310-01-134-5784 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-134-5784 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 5310-01-134-5784 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-134-5784 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 5310-01-134-5784 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Tue, Jul 6, 1982