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MEL-25S — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MEL-25S: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: FIBERBOARD OVERALL, hole_diameter: 0.203 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 5.180 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 4.380 INCHES NOMINAL IN, bolt_circle_diameter: 4.760 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-008-9127, 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
MEL-25S
NSN: 5330-00-008-9127
FSC: 5330 — Packing and Gasket Materials
CAGE: 68505 — PRESTOLITE ELECTRIC INC (USA)
SPECIFICATIONS
materialFIBERBOARD OVERALL
hole_diameter0.203 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter5.180 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter4.380 INCHES NOMINAL IN
bolt_hole_quantity4
bolt_circle_diameter4.760 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-008-9127
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MEL-25S 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 THICKNESS: 0.031 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 5.180 INCHES NOMINAL IN
•
APERTURE DIAMETER: 4.380 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
•
BOLT CIRCLE DIAMETER: 4.760 INCHES NOMINAL IN
•
MATERIAL: FIBERBOARD OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER5.180 INCHES NOMINAL IN
APERTURE DIAMETER4.380 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
BOLT CIRCLE DIAMETER4.760 INCHES NOMINAL IN
MATERIALFIBERBOARD OVERALL
HOLE DIAMETER0.203 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 2
8S6035Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MEL25Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MEL-25S?
MEL-25S is a GASKET.
What parts can replace MEL-25S?
There are 2 known substitutes for MEL-25S: 8S6035, MEL25. Substitute compatibility should be verified for your specific system.
What is the NSN for MEL-25S?
MEL-25S is cataloged in the U.S. Government catalog under NSN 5330-00-008-9127. This indicates validated use in U.S. government and defense supply chains.
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