BH137M3

View detailed technical data, stock status, and sourcing information for: BH137M3
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-418-2296

Item Name Code

29730

Assigment Date

08/23/1995 (31 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

right-hand thread direction, prevailing torque all metal design locking feature, 0.355 inches minimum and 0.365 inches maximum washer outside diameter, dry film lubricant lubrication, 3b thread class

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: 0.355 inches minimum and 0.365 inches maximum
Lubrication: dry film lubricant
Overall Height: 0.280 inches nominal
Nut Style: hexagon
Washer Thickness: 0.085 inches minimum and 0.095 inches maximum
Width Across Flats: 0.243 inches minimum and 0.251 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.190 inches
Material: iron alloy 660 overall
Material Document And Classification: ams 5731 assn std 1st material response or ams 5734 assn std 2nd material response or ams 5737 assn std 3rd 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
03A137-3L	Extended Washer Self-Locking Nut
BH137M3	Extended Washer Self-Locking Nut
KFN526L-3	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-418-2296?

The FSCG of the NSN 5310-01-418-2296 is 5310

Does the NSN 5310-01-418-2296 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-418-2296 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 5310-01-418-2296 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-418-2296 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 5310-01-418-2296 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Aug 23, 1995