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Technical Data Sheet
PartsTable / O-RING / P524-25
P524-25 ✓ 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: 1.113 INCHES MINIMUM AND 1.145 INCHES MAXIMUM IN, center_hole_diameter: 0.983 INCHES MINIMUM AND 0.995 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN, end_item_identification: GUN,5-IN./54 CAL, MK-42&45;AIRCRAFT,(AC130H, MC130H, EC-130E, HC-130. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-250-0230, 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
P524-25
NSN: 5331-00-250-0230
FSC: 5331 — O-RING
CAGE: 00515 — OIL CAPITAL VALVE COMPANY DBA OCV CONTROL VALVES DIV OCV CONTROL VALVES, LLC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter1.113 INCHES MINIMUM AND 1.145 INCHES MAXIMUM IN
center_hole_diameter0.983 INCHES MINIMUM AND 0.995 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
end_item_identificationGUN,5-IN./54 CAL, MK-42&45;AIRCRAFT,(AC130H, MC130H, EC-130E, HC-130
NSN5331-00-250-0230
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: P524-25 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
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.113 INCHES MINIMUM AND 1.145 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.983 INCHES MINIMUM AND 0.995 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.113 INCHES MINIMUM AND 1.145 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.983 INCHES MINIMUM AND 0.995 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
END ITEM IDENTIFICATIONGUN,5-IN./54 CAL, MK-42&45;AIRCRAFT,(AC130H, MC130H, EC-130E, HC-130
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
MS29513-27Interchangeable
interchangeable cross-reference
interchangeable
MS29513-027Interchangeable
interchangeable cross-reference
interchangeable
AMS-P-5315AInterchangeable
interchangeable cross-reference
interchangeable
8A9020Interchangeable
interchangeable cross-reference
interchangeable
2-007N602-70Interchangeable
interchangeable cross-reference
interchangeable
MS29513-007Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P524-25?
P524-25 is a O-RING.
What parts can replace P524-25?
There are 33 known substitutes for P524-25: MS29513-27, MS29513-027, AMS-P-5315A and 30 more. Substitute compatibility should be verified for your specific system.
Is P524-25 still available?
P524-25 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