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Technical Data Sheet

MS9387-02 — Technical Data Sheet

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— · 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,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM OVERALL, hardness_rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL, center_hole_diameter: 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN, cross-sectional_height: 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN, cross-sectional_shape_style: O-RING, material_document_and_classification: AMS-7278 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the Federal Logistics Information System under NSN 5331-00-165-1971, 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
MS9387-02
NSN: 5331-00-165-1971
FSC: 5331 — O-RING
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM OVERALL
hardness_rating70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL
center_hole_diameter0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
cross-sectional_height0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
cross-sectional_shape_styleO-RING
material_document_and_classificationAMS-7278 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5331-00-165-1971
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS9387-02 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 HEIGHT: 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
OUTSIDE DIAMETER: 0.356 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
MATERIALRUBBER FLUOROCARBON CLASS FPM
OUTSIDE DIAMETER0.356 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
AS568-902InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
TR-RG30InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AS568-902AMS3304InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
877-50InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MS3393-2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6843332-02InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS9387-02?
MS9387-02 is a PACKING,PREFORMED.
What parts can replace MS9387-02?
There are 26 known substitutes for MS9387-02: AS568-902, TR-RG30, AS568-902AMS3304 and 23 more. Substitute compatibility should be verified for your specific system.
Is MS9387-02 still available?
MS9387-02 is currently cancelled.
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