348-1200-102-20

View detailed technical data, stock status, and sourcing information for: 348-1200-102-20
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-050-6564

Item Name Code

15886

Assigment Date

11/12/1977 (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.

right-hand thread direction, 1.147 inches nominal small end diameter, 3b thread class, 1.187 inches nominal nut diameter, knurled nut style

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
Small End Diameter: 1.147 inches nominal
Nut Style: knurled
Nut Diameter: 1.187 inches nominal
Nut Thickness: 0.187 inches nominal
Thread Series: un
Countersink Angle: 90.0 degrees nominal nut
Material: steel comp 302 or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 309 or steel comp 310 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 324 or steel comp 347 overall
Material Document And Classification: qq-s-763 fed spec all material responses 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
348-1200-102-20	Knurled Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-050-6564?

The FSCG of the NSN 5310-01-050-6564 is 5310

Does the NSN 5310-01-050-6564 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-050-6564 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 5310-01-050-6564 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-050-6564 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 5310-01-050-6564 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sat, Nov 12, 1977