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Technical Data Sheet
PartsTable / COMPONENT / 2155532
2155532 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL OVERALL, outside_diameter: 21.750 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 21.475 INCHES NOMINAL IN, cross-sectional_thickness: 0.275 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-027-1721, 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
2155532
NSN: 5330-00-027-1721
FSC: 5330
CAGE: 28527 — L3HARRIS TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
hardness_rating70.0 SHORE DUROMETER A NOMINAL OVERALL
outside_diameter21.750 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter21.475 INCHES NOMINAL IN
cross-sectional_thickness0.275 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-027-1721
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2155532 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
APERTURE DIAMETER: 21.475 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL OVERALL
•
CROSS-SECTIONAL THICKNESS: 0.275 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 21.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE DIAMETER21.475 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL OVERALL
CROSS-SECTIONAL THICKNESS0.275 INCHES NOMINAL IN
OUTSIDE DIAMETER21.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
BU6-64CInterchangeable
interchangeable cross-reference
interchangeable
100Interchangeable
interchangeable cross-reference
interchangeable
XX6-64CInterchangeable
interchangeable cross-reference
interchangeable
0-2620MODInterchangeable
Same NIIN cross-reference
interchangeable
132795-0Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2155532?
2155532 is a GASKET.
What parts can replace 2155532?
There are 5 known substitutes for 2155532: BU6-64C, 100, XX6-64C and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2155532?
2155532 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-027-1721. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026