MS28783-12

View detailed technical data, stock status, and sourcing information for: MS28783-12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-641-0101

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.

3.000 inches nominal center hole diameter, 0.025 inches minimum and 0.029 inches maximum cross-sectional thickness, 0.093 inches minimum and 0.250 inches maximum distance between ends, 0.075 inches minimum and 0.087 inches maximum cross-sectional height, square 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
Cross-Sectional Thickness: 0.025 inches minimum and 0.029 inches maximum
Cross-Sectional Height: 0.075 inches minimum and 0.087 inches maximum
Distance Between Ends: 0.093 inches minimum and 0.250 inches maximum
Center Hole Diameter: 3.000 inches nominal
Peripheral Diameter: 3.238 inches minimum and 3.242 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Below is a list of NSNs that have been officially superseded by this NSN: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
5330-00-171-7378	No Name Available	01/01/1963
5330-00-186-1337	No Name Available	06/01/1997

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
15099-41550 ITEM 28	Packing Retainer
28783-12	Packing Retainer
38234B	Packing Retainer
54-94-8312	Packing Retainer
MS28783-12	Packing Retainer
MS35803-234	Packing Retainer

FAQs

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

What is the FSCG of the NSN 5330-00-641-0101?

The FSCG of the NSN 5330-00-641-0101 is 5330

Does the NSN 5330-00-641-0101 have a Schedule B code assigned?

Yes, the Schedule B code is 3926904500

Does NSN 5330-00-641-0101 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 5330-00-641-0101 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-641-0101 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 5330-00-641-0101 was assigned to the Federal Catalog?

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