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Technical Data Sheet
MIL-P-24503 ✓ 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 PACKING MATERIAL is a the manufacturer industrial component. Key specifications include material: GRAPHITE OVERALL, peripheral_diameter: 0.553 INCHES NOMINAL IN, center_hole_diameter: 0.353 INCHES NOMINAL IN, cross-sectional_height: 0.098 INCHES NOMINAL IN, end_item_identification: UNION END BRONZE GATE VALVE PER (80064) 803-1385714;VALVE SIZE 1/2 AND 3/8 INCH IN, cross-sectional_shape_style: SQUARE/RECTANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-004-6639, 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
MIL-P-24503
NSN: 5330-01-004-6639
FSC: 5330
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialGRAPHITE OVERALL
peripheral_diameter0.553 INCHES NOMINAL IN
center_hole_diameter0.353 INCHES NOMINAL IN
cross-sectional_height0.098 INCHES NOMINAL IN
end_item_identificationUNION END BRONZE GATE VALVE PER (80064) 803-1385714;VALVE SIZE 1/2 AND 3/8 INCH IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
material_document_and_classificationMIL-P-24503 TYPE 1,CLASS 2, GRADE N MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-004-6639
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MIL-P-24503 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
LENGTH: 1200.000 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH: 1.000 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT: 0.015 INCHES NOMINAL IN
MATERIAL: GRAPHITE
CROSS-SECTIONAL SHAPE STYLE: SQUARE
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-24503 MIL SPEC SINGLE MATERIAL RESPONSE
NONDEFINITIVE SPEC/STD DATA: 1 CLASS AND 1 TYPE
FABRICATION METHOD: SOLID
TECHNICAL CHARACTERISTICS (FLIS)
LENGTH1200.000 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH1.000 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.015 INCHES NOMINAL IN
MATERIALGRAPHITE
CROSS-SECTIONAL SHAPE STYLESQUARE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-24503 MIL SPEC SINGLE MATERIAL RESPONSE
NONDEFINITIVE SPEC/STD DATA1 CLASS AND 1 TYPE
FABRICATION METHODSOLID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
425918-4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-P-24503?
MIL-P-24503 is a PACKING MATERIAL.
What parts can replace MIL-P-24503?
There is 1 known substitute for MIL-P-24503: 425918-4. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-P-24503?
MIL-P-24503 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-004-6639. This indicates validated use in U.S. government and defense supply chains.
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