BH00620M4

View detailed technical data, stock status, and sourcing information for: BH00620M4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-306-9048

Item Name Code

29730

Assigment Date

09/01/1989 (36 years ago)

0.425 inches maximum washer outside diameter, 3b thread class, 0.284 inches minimum and 0.288 inches maximum washer counterbore diameter, right-hand thread direction, 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: 0.425 inches maximum
Counterbore Diameter: 0.284 inches minimum and 0.288 inches maximum washer
Lubrication: dry film lubricant
Overall Height: 0.340 inches maximum
Nut Style: hexagon
Nut Counterbore Depth: 0.107 inches minimum and 0.117 inches maximum washer
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
Special Features: yellow identification on outside of nut
Material: iron alloy 660 overall
Material Document And Classification: ams 5643 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment 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
03A136-4L	Extended Washer Self-Locking Nut
BH00620M4	Extended Washer Self-Locking Nut
BH136M-4L	Extended Washer Self-Locking Nut
KFN511DL-4	Extended Washer Self-Locking Nut
KFN511DL4	Extended Washer Self-Locking Nut
KFN517DL4	Extended Washer Self-Locking Nut
KFN668-4	Extended Washer Self-Locking Nut
LE114-0031-0004	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-306-9048?

The FSCG of the NSN 5310-01-306-9048 is 5310

Does the NSN 5310-01-306-9048 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-306-9048 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 5310-01-306-9048 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-306-9048 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 5310-01-306-9048 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Fri, Sep 1, 1989