NAS1523C21E

View detailed technical data, stock status, and sourcing information for: NAS1523C21E
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-01-306-0127

Item Name Code

05680

Assigment Date

08/16/1989 (37 years ago)

An item designed to fit over a packing gland by mating with a surface of a second part which together will retain into a narrow groove or confined space the packing, preformed or o-ring, or an item designed to fit over a rod or shaft, to mate with a stuffing box to confine packing material. It may function as a static or dynamic seal retainer with the packing located on, around, or in the centerline direction of the rod or shaft axis. It may have holes or joints for mounting, be threaded or unthreaded. See also packing nut and packing nut, stuffing tube.

1.536 inches maximum retainer inside diameter, 2.057 inches minimum and 2.062 inches maximum outside diameter, 1.280 inches minimum and 1.300 inches maximum packing inside diameter, 0.091 inches minimum and 0.101 inches maximum packing ring cross-sectional diameter, 0.059 inches minimum and 0.069 inches maximum retainer thickness

Product Characteristics

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

Outside Diameter: 2.057 inches minimum and 2.062 inches maximum
Retainer Thickness: 0.059 inches minimum and 0.069 inches maximum
Packing Ring Cross-Sectional Diameter: 0.091 inches minimum and 0.101 inches maximum
Retainer Inside Diameter: 1.536 inches maximum
Packing Inside Diameter: 1.280 inches minimum and 1.300 inches maximum
Construction: two-piece
Color: gray/grey
Material: rubber fluorocarbon class fpm packing
Material: steel comp 301 or steel comp 302 retainer
Material Document And Classification: mil-r-83248 type ii class i mil spec single material response packing
Material Document And Classification: mil-s-5059 mil spec all material responses retainer
Surface Treatment: passivate retainer
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response retainer
Specification/Standard Data: 80205-nas1523 professional/industrial association standard

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
561-5750205 PIECE 133	Packing With Retainer
NAS1523C21E	Packing With Retainer

FAQs

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

What is the FSCG of the NSN 5330-01-306-0127?

The FSCG of the NSN 5330-01-306-0127 is 5330

Does the NSN 5330-01-306-0127 have a Schedule B code assigned?

Yes, the Schedule B code is 3926904500

Does NSN 5330-01-306-0127 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 5330-01-306-0127 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-01-306-0127 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 5330-01-306-0127 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Wed, Aug 16, 1989