LB50-7C

View detailed technical data, stock status, and sourcing information for: LB50-7C
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-352-8692

Item Name Code

21824

Assigment Date

02/01/1992 (34 years ago)

A metallic or nonmetallic item, headed at one end, with a cylindrically shaped shank which may be tapered, grooved, or threaded. A locking collar or sleeve may be provided to perform the same holding action as the clinching portion of a conventional rivet. The shank may include an external wrenching facility which breaks off at a predetermined applied torque.

3b thread class, 0.519 inches minimum and 0.529 inches maximum first end counterbore diameter, 0.785 inches maximum washer outside diameter, right-hand thread direction, 0.530 inches minimum and 0.550 inches maximum overall height

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
Washer Outside Diameter: 0.785 inches maximum
Counterbore Diameter: 0.519 inches minimum and 0.529 inches maximum first end
Overall Height: 0.530 inches minimum and 0.550 inches maximum
Nut Style: flat with turned back edge
Nut Height: 0.281 inches nominal
Nut Counterbore Depth: 0.249 inches minimum and 0.269 inches maximum first end
Width Across Flats: 0.616 inches minimum and 0.627 inches maximum
Temp Rating: 450.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.438 inches
Material: iron alloy 660 nut
Material: steel comp 302 washer
Material Document And Classification: ams 5731 assn std single material response or ams 5737 assn std single material response nut
Material Document And Classification: mil-s-5059 mil spec single material response washer
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
03A115-7	Assembled Washer Plain Nut
84055-7	Assembled Washer Plain Nut
AS381-7	Assembled Washer Plain Nut
LB50-7C	Assembled Washer Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-352-8692?

The FSCG of the NSN 5310-01-352-8692 is 5310

Does the NSN 5310-01-352-8692 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-352-8692 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 5310-01-352-8692 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-352-8692 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 5310-01-352-8692 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Sat, Feb 1, 1992