PartsTable
Technical Data Sheet
PartsTable / O-RING / P48026-019
P48026-019 ✓ 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 BUTADIENE-ACRYLONITRILE CLASS NBR, outside_diameter: 0.926 INCHES MINIMUM AND 0.956 INCHES MAXIMUM IN, special_features: ACTION ID 45404101, center_hole_diameter: 0.795 INCHES MINIMUM AND 0.807 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN, end_item_identification: MULTIPLE LAUNCH ROCKET SYSTEM (MLRS). This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-551-8441, 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
P48026-019
NSN: 5331-00-551-8441
FSC: 5331 — O-RING
CAGE: 70106 — ACUSHNET RUBBER COMPANY, INC. DBA PRECIX (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter0.926 INCHES MINIMUM AND 0.956 INCHES MAXIMUM IN
special_featuresACTION ID 45404101
center_hole_diameter0.795 INCHES MINIMUM AND 0.807 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
end_item_identificationMULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
NSN5331-00-551-8441
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: P48026-019 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
•
CENTER HOLE DIAMETER: 0.795 INCHES MINIMUM AND 0.807 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.926 INCHES MINIMUM AND 0.956 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER0.795 INCHES MINIMUM AND 0.807 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
SPECIAL FEATURESACTION ID 45404101
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.926 INCHES MINIMUM AND 0.956 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
R49388-019GInterchangeable
interchangeable cross-reference
interchangeable
028-09377Interchangeable
interchangeable cross-reference
interchangeable
2-019V0747-75Interchangeable
interchangeable cross-reference
interchangeable
701152-018Interchangeable
interchangeable cross-reference
interchangeable
018-7377Interchangeable
interchangeable cross-reference
interchangeable
18,77X1,78-24B7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P48026-019?
P48026-019 is a O-RING.
What parts can replace P48026-019?
There are 22 known substitutes for P48026-019: R49388-019G, 028-09377, 2-019V0747-75 and 19 more. Substitute compatibility should be verified for your specific system.
Is P48026-019 still available?
P48026-019 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026