MS28782-72

View detailed technical data, stock status, and sourcing information for: MS28782-72
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-171-5913

Item Name Code

13706

Assigment Date

01/01/1963 (63 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.

square cross-sectional shape style, 0.188 inches minimum and 0.312 inches maximum distance between ends, 0.138 inches minimum and 0.156 inches maximum cross-sectional height, 8.000 inches nominal center hole diameter, 0.046 inches minimum and 0.052 inches maximum cross-sectional thickness

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
Cross-Sectional Thickness: 0.046 inches minimum and 0.052 inches maximum
Cross-Sectional Height: 0.138 inches minimum and 0.156 inches maximum
Distance Between Ends: 0.188 inches minimum and 0.312 inches maximum
Center Hole Diameter: 8.000 inches nominal
Peripheral Diameter: 8.474 inches minimum and 8.478 inches maximum
Joint Type: scarf-butt retainer
Angle: 25.0 degrees minimum and 35.0 degrees maximum
Material: plastic tetrafluoroethylene overall
Material Document And Classification: mil-r-8791 mil spec single material response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5330-00-171-7372	No Name Available	01/01/1963
5330-00-186-4932	No Name Available	12/06/2013

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
137605127	Packing Retainer
2642-860-01 ITEM 42	Packing Retainer
5330PL0810424	Packing Retainer
845-4687581 ITEM 42	Packing Retainer
MS28782-72	Packing Retainer
MS35803-445	Packing Retainer

FAQs

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

What is the FSCG of the NSN 5330-00-171-5913?

The FSCG of the NSN 5330-00-171-5913 is 5330

Does the NSN 5330-00-171-5913 have a Schedule B code assigned?

Yes, the Schedule B code is 3926904500

Does NSN 5330-00-171-5913 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 5330-00-171-5913 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-171-5913 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 5330-00-171-5913 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963