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Technical Data Sheet
PartsTable / O-RING / AA55801-003-F-5
AA55801-003-F-5 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q, hardness_rating: 50.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 0.056 INCHES NOMINAL IN, cross-sectional_height: 0.060 INCHES NOMINAL IN, end_item_identification: AIRCRAFT,B-2 BOMBER (ATB), material_document_and_classification: A-A-55801,CLASS 3B,GRADE 50, SIZE 003 FED SPEC SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-475-6900, 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
AA55801-003-F-5
NSN: 5331-01-475-6900
FSC: 5331 — O-RING
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
hardness_rating50.0 SHORE DUROMETER A NOMINAL
center_hole_diameter0.056 INCHES NOMINAL IN
cross-sectional_height0.060 INCHES NOMINAL IN
end_item_identificationAIRCRAFT,B-2 BOMBER (ATB)
material_document_and_classificationA-A-55801,CLASS 3B,GRADE 50, SIZE 003 FED SPEC SINGLE MATERIAL RESPONSE
NSN5331-01-475-6900
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AA55801-003-F-5 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
•
HARDNESS RATING: 50.0 SHORE DUROMETER A NOMINAL
•
MATERIAL: RUBBER SILICONE CLASS Q
•
CENTER HOLE DIAMETER: 0.056 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.060 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: A-A-55801,CLASS 3B,GRADE 50, SIZE 003 FED SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONAIRCRAFT,B-2 BOMBER (ATB)
HARDNESS RATING50.0 SHORE DUROMETER A NOMINAL
MATERIALRUBBER SILICONE CLASS Q
CENTER HOLE DIAMETER0.056 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.060 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONA-A-55801,CLASS 3B,GRADE 50, SIZE 003 FED SPEC SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
ARP568-212ZZR76 5GR70Interchangeable
interchangeable cross-reference
interchangeable
AS568-212Interchangeable
interchangeable cross-reference
interchangeable
AA55801-212D7Interchangeable
interchangeable cross-reference
interchangeable
ZZ-R-765CLIIBGR70/AS568-143Interchangeable
interchangeable cross-reference
interchangeable
A-A-55801Interchangeable
interchangeable cross-reference
interchangeable
AA55801-143D7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA55801-003-F-5?
AA55801-003-F-5 is a O-RING.
What parts can replace AA55801-003-F-5?
There are 11 known substitutes for AA55801-003-F-5: ARP568-212ZZR76 5GR70, AS568-212, AA55801-212D7 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AA55801-003-F-5?
AA55801-003-F-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-475-6900. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026