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Technical Data Sheet
MS9387-08ES ✓ 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,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: 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN, cross-sectional_height: 0.084 INCHES MINIMUM AND 0.090 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 (FLIS) under NSN 5330-00-882-1679, 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
MS9387-08ES
NSN: 5330-00-882-1679
FSC: 5330
CAGE: H2313 — ERIKS B.V. (NLD)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM OVERALL
hardness_rating70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL
center_hole_diameter0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
cross-sectional_height0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
cross-sectional_shape_styleO-RING
material_document_and_classificationAMS-7278 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-882-1679
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS9387-08ES 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: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
CENTER HOLE DIAMETER: 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
HARDNESS RATING: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: AMS-7278 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE: O-RING
MATERIAL: RUBBER FLUOROCARBON CLASS FPM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
HARDNESS RATING70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS-7278 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEO-RING
MATERIALRUBBER FLUOROCARBON CLASS FPM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
BK107Interchangeable
interchangeable cross-reference
interchangeable
54-67-6908Interchangeable
interchangeable cross-reference
interchangeable
AMS7276Interchangeable
interchangeable cross-reference
interchangeable
363217Interchangeable
interchangeable cross-reference
interchangeable
MS9387-08Interchangeable
Same NIIN cross-reference
interchangeable
946.91.27.908Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS9387-08ES?
MS9387-08ES is a PACKING,PREFORMED.
What parts can replace MS9387-08ES?
There are 6 known substitutes for MS9387-08ES: BK107, 54-67-6908, AMS7276 and 3 more. Substitute compatibility should be verified for your specific system.
Is MS9387-08ES still available?
MS9387-08ES is currently cancelled.
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