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Technical Data Sheet
A-A-55801 ✓ 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, special_features: CLEAN SMOOTH FINISH;FLEX RESISTANT, end_item_identification: 2350014587550, nondefinitive_spec/std_data: 40 GRADE AND 2B CLASS, material_document_and_classification: SAEAMS 2817 NATIONAL SPEC SINGLE MATERIAL RESPONSE AND SAE AS568 NATIONAL SPEC SINGLE MATERIAL RESPONSE, part_name_assigned_by_controlling_agency: O-RING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-137-3293, 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
A-A-55801
NSN: 5331-00-137-3293
FSC: 5331 — O-RING
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
special_featuresCLEAN SMOOTH FINISH;FLEX RESISTANT
end_item_identification2350014587550
nondefinitive_spec/std_data40 GRADE AND 2B CLASS
material_document_and_classificationSAEAMS 2817 NATIONAL SPEC SINGLE MATERIAL RESPONSE AND SAE AS568 NATIONAL SPEC SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyO-RING
NSN5331-00-137-3293
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A-A-55801 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
TEMP RATING: -80.0 FAHRENHEIT AND 425.0 FAHRENHEIT DEGF
CENTER HOLE DIAMETER: 0.849 INCHES MINIMUM AND 0.869 INCHES MAXIMUM IN
MATERIAL: RUBBER SILICONE CLASS Q
ELONGATION PERCENTAGE: 80 MAXIMUM
OUTSIDE DIAMETER: 1.137 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
TEMP RATING-80.0 FAHRENHEIT AND 425.0 FAHRENHEIT DEGF
CENTER HOLE DIAMETER0.849 INCHES MINIMUM AND 0.869 INCHES MAXIMUM IN
MATERIALRUBBER SILICONE CLASS Q
ELONGATION PERCENTAGE80 MAXIMUM
OUTSIDE DIAMETER1.137 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
ARP568-217ZZR76 5CL2B70Interchangeable
interchangeable cross-reference
interchangeable
568-217-1235-70Interchangeable
interchangeable cross-reference
interchangeable
AS568-217Interchangeable
interchangeable cross-reference
interchangeable
AS568-212Interchangeable
interchangeable cross-reference
interchangeable
AS568-212AMS7276Interchangeable
interchangeable cross-reference
interchangeable
8212-245Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-A-55801?
A-A-55801 is a O-RING.
What parts can replace A-A-55801?
There are 27 known substitutes for A-A-55801: ARP568-217ZZR76 5CL2B70, 568-217-1235-70, AS568-217 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-A-55801?
A-A-55801 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-137-3293. This indicates validated use in U.S. government and defense supply chains.
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