78637-3

View detailed technical data, stock status, and sourcing information for: 78637-3
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-01-102-0341

Item Name Code

04250

Assigment Date

10/11/1980 (45 years ago)

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

0.170 inches minimum and 0.185 inches maximum seal width, c-section w/ helical spring cross-sectional shape style, -70.0 celsius and 550.0 celsius temp rating, 3.250 inches nominal housing bore diameter, 3.000 inches nominal accommodated shaft diameter

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: c-section w/ helical spring
Temp Rating: -70.0 celsius and 550.0 celsius
Accommodated Shaft Diameter: 3.000 inches nominal
Seal Width: 0.170 inches minimum and 0.185 inches maximum
Housing Bore Diameter: 3.250 inches nominal
Construction: solid
Material: plastic polytetrafluoroethylene and graphite sealing element
Material Document And Classification: qq-w-423,cond b fed spec single material response spring

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5330-01-147-4062	No Name Available	02/01/1985

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
305A-234GHST	Plain Seal
305A-234GHST (L0.177) X 5128	Plain Seal
73574-3	Plain Seal
78637-3	Plain Seal
81995	Plain Seal

FAQs

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

What is the FSCG of the NSN 5330-01-102-0341?

The FSCG of the NSN 5330-01-102-0341 is 5330

Does the NSN 5330-01-102-0341 have a Schedule B code assigned?

Yes, the Schedule B code is 3926904500

Does NSN 5330-01-102-0341 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 5330-01-102-0341 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-01-102-0341 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 5330-01-102-0341 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Sat, Oct 11, 1980