5310-01-050-1521

Find complete technical information, availability, and procurement data for: 5310-01-050-1521
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-050-1521

Item Name Code

05280

Assigment Date

11/01/1977 (48 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.

plate nut style, 2b thread class, right-hand thread direction, prevailing torque with metallic insert locking feature, 0.133 inches minimum and 0.143 inches maximum mounting hole diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2b
Thread Direction: right-hand
Locking Feature: prevailing torque with metallic insert
Mounting Hole Diameter: 0.133 inches minimum and 0.143 inches maximum
Nut Style: plate
Nut Length: 1.010 inches minimum and 1.190 inches maximum
Distance From Base To Center Of Aperture: 0.280 inches minimum and 0.340 inches maximum
Nut Height: 0.970 inches minimum and 1.070 inches maximum
Plate Thickness: 0.110 inches minimum and 0.150 inches maximum
Plate Width: 1.440 inches minimum and 1.590 inches maximum
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Mounting Hole Center To Base: 0.790 inches minimum and 0.910 inches maximum
Center To Center Distance Between Mounting Holes Along Width: 1.000 inches minimum and 1.030 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.190 inches
Special Features: 0.063 in. min,0.070 in. max inspection hole through nut
Material: plastic polyamide (nylon) overall
Material Document And Classification: l-p-395,ty1,class 1 fed spec single material response or l-p-395,ty1,class 2 fed spec 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
BACN10TS3-6	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-050-1521?

The FSCG of the NSN 5310-01-050-1521 is 5310

Does the NSN 5310-01-050-1521 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-050-1521 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 5310-01-050-1521 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-050-1521 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 5310-01-050-1521 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Tue, Nov 1, 1977