21331 FIND 50

View detailed technical data, stock status, and sourcing information for: 21331 FIND 50
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-171-5042

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, 0.375 inches nominal center hole diameter, 0.075 inches minimum and 0.087 inches maximum cross-sectional height, 0.032 inches minimum and 0.062 inches maximum distance between ends, 0.025 inches minimum and 0.029 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: 0.025 inches minimum and 0.029 inches maximum
Cross-Sectional Height: 0.075 inches minimum and 0.087 inches maximum
Distance Between Ends: 0.032 inches minimum and 0.062 inches maximum
Center Hole Diameter: 0.375 inches nominal
Peripheral Diameter: 0.483 inches minimum and 0.487 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Below is a list of NSNs that have been officially superseded by this NSN: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
5330-00-329-2508	No Name Available	01/01/1963
5330-00-527-7315	No Name Available	01/01/1963
5330-00-944-3859	No Name Available	02/23/1972

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
10338991	Packing Retainer
1866-1346 ITEM 32	Packing Retainer
21089 FIND 42	Packing Retainer
21140-45	Packing Retainer
21331 FIND 50	Packing Retainer
21340 FIND 50	Packing Retainer
21424-400 FIND 46	Packing Retainer
21803 FIND 46	Packing Retainer
21805-78062 FIND 23	Packing Retainer
21808 FIND 40	Packing Retainer
21816-001 FIND 53	Packing Retainer
21817 FIND 46	Packing Retainer
21820 FN 54	Packing Retainer
21837 FIND 59	Packing Retainer
230079306	Packing Retainer
25704-281264-15-0	Packing Retainer
38012B	Packing Retainer
384-S-7	Packing Retainer
52046 FIND 45	Packing Retainer
52122 FIND 75	Packing Retainer
52125 FN 85	Packing Retainer
970-41705 ITEM 26	Packing Retainer
MS28782-07	Packing Retainer
MS28782-7	Packing Retainer
MS28787-07	Packing Retainer
SR-6144-7	Packing Retainer
SR6144-7	Packing Retainer

FAQs

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

What is the FSCG of the NSN 5330-00-171-5042?

The FSCG of the NSN 5330-00-171-5042 is 5330

Does the NSN 5330-00-171-5042 have a Schedule B code assigned?

Yes, the Schedule B code is 3926904500

Does NSN 5330-00-171-5042 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 5330-00-171-5042 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-00-171-5042 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 5330-00-171-5042 was assigned to the Federal Catalog?

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