PartsTable / COMPONENT / A25820
A25820
✓ 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: ASBESTOS AND RUBBER SYNTHETIC OVERALL, hole_diameter: 0.266 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, bolt_circle_diameter: 2.125 INCHES NOMINAL IN, fsc_application_data: ENGINE,AIRCRAFT,RECIPROCATING, outside_corner_radius: 0.250 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-641-6486, 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
A25820
NSN: 5330-00-641-6486 FSC: 5330 CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
material ASBESTOS AND RUBBER SYNTHETIC OVERALL hole_diameter 0.266 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN bolt_circle_diameter 2.125 INCHES NOMINAL IN fsc_application_data ENGINE,AIRCRAFT,RECIPROCATING outside_corner_radius 0.250 INCHES NOMINAL IN cross-sectional_shape_style SOLID SINGLE OR COMPOSITION material_document_and_classification AMS 3232 ASSN STD ALL MATERIAL RESPONSES OVERALL NSN 5330-00-641-6486
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION
ID: —
CROSS-SECTION
CS: —
SPECIFICATION
Material: —
Durometer: —
Temp: —
PN: A25820
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 SHAPE STYLE: SOLID SINGLE OR COMPOSITION
• FSC APPLICATION DATA: ENGINE,AIRCRAFT,RECIPROCATING
• MATERIAL: ASBESTOS AND RUBBER SYNTHETIC OVERALL
• OUTSIDE CORNER RADIUS: 0.250 INCHES NOMINAL IN
• MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3232 ASSN STD ALL MATERIAL RESPONSES OVERALL
• HOLE DIAMETER: 0.266 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
• BOLT CIRCLE DIAMETER: 2.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLE SOLID SINGLE OR COMPOSITION FSC APPLICATION DATA ENGINE,AIRCRAFT,RECIPROCATING MATERIAL ASBESTOS AND RUBBER SYNTHETIC OVERALL OUTSIDE CORNER RADIUS 0.250 INCHES NOMINAL IN MATERIAL DOCUMENT AND CLASSIFICATION AMS 3232 ASSN STD ALL MATERIAL RESPONSES OVERALL HOLE DIAMETER 0.266 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN BOLT CIRCLE DIAMETER 2.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
25820 Interchangeable interchangeable cross-reference
interchangeable
560954R1 Interchangeable interchangeable cross-reference
interchangeable
H36920 Interchangeable interchangeable cross-reference
interchangeable
1540-20 Interchangeable interchangeable cross-reference
interchangeable
J51 TYPE B Interchangeable interchangeable cross-reference
interchangeable
5502-3 Interchangeable interchangeable cross-reference
interchangeable
LIFECYCLE
Status CANCELLED
Availability —
RoHS Compliant EAR99 Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A25820?
A25820 is a GASKET.
What parts can replace A25820?
There are 9 known substitutes for A25820: 25820, 560954R1, H36920 and 6 more. Substitute compatibility should be verified for your specific system.
Is A25820 still available?
A25820 is currently cancelled.