155-722

View detailed technical data, stock status, and sourcing information for: 155-722
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-01-289-9233

Item Name Code

07961

Assigment Date

12/03/1988 (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.

3.625 inches nominal inside diameter, 4.000 inches nominal outside diameter, square/rectangular top ring cross-sectional shape style, square/rectangular bottom ring cross-sectional shape style, tee intermediate ring 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: square/rectangular bottom ring
Cross-Sectional Shape Style: square/rectangular top ring
Cross-Sectional Shape Style: tee intermediate ring
Inside Diameter: 3.625 inches nominal
Outside Diameter: 4.000 inches nominal
Intermediate Ring Quantity: 1
Height: 0.188 inches nominal
Material: plastic polyhexamethylene adipamide bottom ring
Material: plastic polyhexamethylene adipamide top ring
Material: rubber butadiene-acrylonitrile class nbr intermediate ring

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
155-722	Packing Assembly
8093-173CBN	Packing Assembly

FAQs

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

What is the FSCG of the NSN 5330-01-289-9233?

The FSCG of the NSN 5330-01-289-9233 is 5330

Does NSN 5330-01-289-9233 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 5330-01-289-9233 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-01-289-9233 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 5330-01-289-9233 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Sat, Dec 3, 1988