21086-7426 MODEL 53

View detailed technical data, stock status, and sourcing information for: 21086-7426 MODEL 53
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-01-477-1321

Item Name Code

04214

Assigment Date

08/01/2000 (25 years ago)

A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends with threads of the same nominal diameter. All or part of the unthreaded section has a cross-sectional diameter greater than the nominal stud size plus 0.020 inches (0.508 mm). It may be thread relieved. See also stud, locked in.

0.472 inches nominal seal width, -40.0 fahrenheit and 200.0 fahrenheit temp rating, 3000 feet per minute accommodated shaft maximum rated speed, 3.150 inches nominal accommodated shaft diameter, levelwind assy-sas tow winch end item identification

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Temp Rating: -40.0 fahrenheit and 200.0 fahrenheit
Accommodated Shaft Diameter: 3.150 inches nominal
Seal Width: 0.472 inches nominal
Accommodated Shaft Maximum Rated Speed: 3000 feet per minute
End Item Identification: levelwind assy-sas tow winch
Case Style: square
Housing Bore Diameter: 4.331 inches nominal
Hardness Rating: 80.0 shore durometer a nominal overall
Sealing Element Style: angular
Maximum Pressure Rating: 7.0 pounds per square inch
Part Name Assigned By Controlling Agency: klozure oil seal
Special Features: cross-section 0.591 in
Color: black
Material: rubber butadiene-acrylonitrile class nbr sealing element
Material: steel case
Material: steel corrosion resisting spring

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
21086-7426	Plain Encased Seal
21086-7426 MODEL 53	Plain Encased Seal
7002E004 REV D ITEM 21	Plain Encased Seal

FAQs

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

What is the FSCG of the NSN 5330-01-477-1321?

The FSCG of the NSN 5330-01-477-1321 is 5330

Does the NSN 5330-01-477-1321 have a Schedule B code assigned?

Yes, the Schedule B code is 8484200000

Does NSN 5330-01-477-1321 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 5330-01-477-1321 contain precious materials?

Precious metal content is unknown

Does NSN 5330-01-477-1321 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 5330-01-477-1321 was assigned to the Federal Catalog?

It was assigned 25 years ago, on Tue, Aug 1, 2000