21009B — SEAL,PLAIN ENCASED

✓ Government record, cited

— · ORING SEAL

PRODUCT OVERVIEW

21009B: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: LEATHER SEALING ELEMENT, case_style: SQUARE, seal_width: 0.500 INCHES NOMINAL IN, housing_bore_diameter: 4.501 INCHES NOMINAL IN, sealing_element_style: ANGULAR, maximum_pressure_rating: 7.0 POUNDS PER SQUARE INCH (PSI) LBS. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-599-5047, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

21009B

NSN: 5330-00-599-5047
FSC: 5330 — Packing and Gasket Materials
CAGE: 81795 — ALLIANZ SWEEPER COMPANY (USA)

SPECIFICATIONS

material	LEATHER SEALING ELEMENT
case_style	SQUARE
seal_width	0.500 INCHES NOMINAL IN
housing_bore_diameter	4.501 INCHES NOMINAL IN
sealing_element_style	ANGULAR
maximum_pressure_rating	7.0 POUNDS PER SQUARE INCH (PSI) LBS
accommodated_shaft_diameter	3.188 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed	2000 FEET PER MINUTE FT
NSN	5330-00-599-5047

COMPONENT DIAGRAM

KEY FEATURES

•

SEAL WIDTH: 0.500 INCHES NOMINAL IN

•

SEALING ELEMENT STYLE: ANGULAR

•

MAXIMUM PRESSURE RATING: 7.0 POUNDS PER SQUARE INCH (PSI) LBS

•

HOUSING BORE DIAMETER: 4.501 INCHES NOMINAL IN

•

ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT

•

CASE STYLE: SQUARE

•

ACCOMMODATED SHAFT DIAMETER: 3.188 INCHES NOMINAL IN

•

MATERIAL: STEEL CASE

TECHNICAL CHARACTERISTICS

SEAL WIDTH	0.500 INCHES NOMINAL IN
SEALING ELEMENT STYLE	ANGULAR
MAXIMUM PRESSURE RATING	7.0 POUNDS PER SQUARE INCH (PSI) LBS
HOUSING BORE DIAMETER	4.501 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED	2000 FEET PER MINUTE FT
CASE STYLE	SQUARE
ACCOMMODATED SHAFT DIAMETER	3.188 INCHES NOMINAL IN
MATERIAL	STEEL CASE
MATERIAL	LEATHER SEALING ELEMENT

SUBSTITUTES & CROSS-REFERENCES 7

N21009BSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

472650Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

43-872Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

61027Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

53X2255Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

49216Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 21009B?

21009B is a SEAL,PLAIN ENCASED.

What parts can replace 21009B?

There are 7 known substitutes for 21009B: N21009B, 472650, 43-872 and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 21009B?

21009B is cataloged in the U.S. Government catalog under NSN 5330-00-599-5047. This indicates validated use in U.S. government and defense supply chains.

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21009B — SEAL,PLAIN ENCASED

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