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Technical Data Sheet
PartsTable / COMPONENT / M36556ALT1PC270A
M36556ALT1PC270A ✓ 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 OVERALL, hole_diameter: 0.437 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 12.563 INCHES NOMINAL IN, overall_length: 14.500 INCHES NOMINAL IN, cross-sectional_thickness: 0.063 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-378-1997, 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
M36556ALT1PC270A
NSN: 5330-00-378-1997
FSC: 5330
CAGE: 70876 — BATH IRON WORKS CORPORATION (USA)
SPECIFICATIONS
materialASBESTOS OVERALL
hole_diameter0.437 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width12.563 INCHES NOMINAL IN
overall_length14.500 INCHES NOMINAL IN
cross-sectional_thickness0.063 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-378-1997
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M36556ALT1PC270A 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
•
HOLE DIAMETER: 0.437 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
CROSS-SECTIONAL THICKNESS: 0.063 INCHES NOMINAL IN
•
MATERIAL: ASBESTOS OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.437 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL LENGTH14.500 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.063 INCHES NOMINAL IN
MATERIALASBESTOS OVERALL
OVERALL WIDTH12.563 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
1033Interchangeable
interchangeable cross-reference
interchangeable
A52491-93Interchangeable
interchangeable cross-reference
interchangeable
LESS0NInterchangeable
interchangeable cross-reference
interchangeable
GT-33Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M36556ALT1PC270A?
M36556ALT1PC270A is a GASKET.
What parts can replace M36556ALT1PC270A?
There are 4 known substitutes for M36556ALT1PC270A: 1033, A52491-93, LESS0N and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M36556ALT1PC270A?
M36556ALT1PC270A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-378-1997. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026