VN376A048W

View detailed technical data, stock status, and sourcing information for: VN376A048W
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-343-8339

Item Name Code

29730

Assigment Date

08/17/1991 (35 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

3b thread class, right-hand thread direction, 0.410 inches minimum and 0.420 inches maximum washer outside diameter, 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: 0.410 inches minimum and 0.420 inches maximum
Lubrication: dry film lubricant
Overall Height: 0.218 inches minimum and 0.228 inches maximum
Nut Style: hexagon
Washer Thickness: 0.025 inches nominal
Width Across Flats: 0.305 inches minimum and 0.313 inches maximum
Temp Rating: 450.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 28
Hardness Rating: 45.0 rockwell c maximum
Nominal Thread Size: 0.250 inches
Special Features: self-aligning washer included
Material: steel comp 8740 or steel comp 4340 overall
Material Document And Classification: mil-s-6049 mil spec 1st material response or mil-s-5000 mil spec 1st material response or ams 6322 assn std 2nd material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 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
3D0006-4	Extended Washer Self-Locking Nut
BH00182-4	Extended Washer Self-Locking Nut
BH00182A4	Extended Washer Self-Locking Nut
E10980-4	Extended Washer Self-Locking Nut
HK51693-4	Extended Washer Self-Locking Nut
SLN219-4	Extended Washer Self-Locking Nut
VN376A048W	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-343-8339?

The FSCG of the NSN 5310-01-343-8339 is 5310

Does the NSN 5310-01-343-8339 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-343-8339 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 5310-01-343-8339 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-343-8339 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 5310-01-343-8339 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sat, Aug 17, 1991