16-21

View detailed technical data, stock status, and sourcing information for: 16-21
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-845-5728

Item Name Code

20256

Assigment Date

12/30/1966 (59 years ago)

A metal item with a spherical shaped head and a straight and/or tapered body, usually with a threaded shank.

2.250 inches nominal outside diameter, concentric ring style, 2.000 inches nominal inside diameter, 0.144 inches nominal material thickness, outside grooved and beveled, straight face cross-sectional shape style

Product Characteristics

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

Cross-Sectional Shape Style: outside grooved and beveled, straight face
Inside Diameter: 2.000 inches nominal
Outside Diameter: 2.250 inches nominal
Material Thickness: 0.144 inches nominal
Ring Style: concentric
Outer Edge Thickness: 0.106 inches nominal
Material: plastic overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3810-00-744-1332	No Name Available	09/05/1969

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
16-21	Wiper Ring
AN940-21	Wiper Ring

FAQs

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

What is the FSCG of the NSN 5330-00-845-5728?

The FSCG of the NSN 5330-00-845-5728 is 5330

Does the NSN 5330-00-845-5728 have a Schedule B code assigned?

Yes, the Schedule B code is 8412909005

Does NSN 5330-00-845-5728 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 5330-00-845-5728 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-845-5728 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5330-00-845-5728 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Dec 30, 1966