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Technical Data Sheet
PartsTable / COMPONENT / MS52000-1
MS52000-1 ✓ 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: RUBBER CHLOROPRENE CLASS CR OVERALL, hole_diameter: 0.172 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 0.875 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN, overall_length: 0.875 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN, hardness_rating: 75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL, style_designator: NON-CIRCULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-238-7383, 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
MS52000-1
NSN: 5330-00-238-7383
FSC: 5330
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR OVERALL
hole_diameter0.172 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width0.875 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN
overall_length0.875 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN
hardness_rating75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL
style_designatorNON-CIRCULAR
aperture_diameter0.500 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
bolt_hole_quantity4
outside_corner_radius0.141 INCHES NOMINAL IN
cross-sectional_thickness0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationASTM D2000 2BC815C1E3 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-238-7383
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS52000-1 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D2000 2BC815C1E3 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: 0.594 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: 0.594 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
HOLE DIAMETER: 0.172 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH: 0.140 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
•
OUTSIDE CORNER RADIUS: 0.141 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D2000 2BC815C1E3 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH0.594 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH0.594 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
HOLE DIAMETER0.172 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH0.140 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
OUTSIDE CORNER RADIUS0.141 INCHES NOMINAL IN
APERTURE DIAMETER0.500 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
MATERIALRUBBER CHLOROPRENE CLASS CR OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
MS52000-6Interchangeable
interchangeable cross-reference
interchangeable
7358504Interchangeable
interchangeable cross-reference
interchangeable
A-A-52481Interchangeable
interchangeable cross-reference
interchangeable
25KP251Interchangeable
interchangeable cross-reference
interchangeable
371-8374-080Interchangeable
interchangeable cross-reference
interchangeable
SM-C-632667Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS52000-1?
MS52000-1 is a GASKET.
What parts can replace MS52000-1?
There are 30 known substitutes for MS52000-1: MS52000-6, 7358504, A-A-52481 and 27 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS52000-1?
MS52000-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-238-7383. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026