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Technical Data Sheet
9379J4278 PC 17 ✓ 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, temp_rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 90.0 SHORE DUROMETER A NOMINAL OVERALL, center_hole_diameter: 0.792 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN, departure_from_cited_document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-227-2198, 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
9379J4278 PC 17
NSN: 5330-01-227-2198
FSC: 5330
CAGE: 94592 — FLUID CONDITIONING PRODUCTS, INC. (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM OVERALL
temp_rating-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating90.0 SHORE DUROMETER A NOMINAL OVERALL
center_hole_diameter0.792 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
departure_from_cited_documentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
criticality_code_justificationZZZW
NSN5330-01-227-2198
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9379J4278 PC 17 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
DEPARTURE FROM CITED DOCUMENT: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL OVERALL
CRITICALITY CODE JUSTIFICATION: ZZZW
CENTER HOLE DIAMETER: 0.792 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN
TEMP RATING: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
MATERIAL: RUBBER FLUOROCARBON CLASS FPM OVERALL
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
DEPARTURE FROM CITED DOCUMENTCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
HARDNESS RATING90.0 SHORE DUROMETER A NOMINAL OVERALL
CRITICALITY CODE JUSTIFICATIONZZZW
CENTER HOLE DIAMETER0.792 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN
TEMP RATING-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
MATERIALRUBBER FLUOROCARBON CLASS FPM OVERALL
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
AMS7259Interchangeable
interchangeable cross-reference
interchangeable
AS568-019MILR83248TYPE1CLASS2Interchangeable
interchangeable cross-reference
interchangeable
MIL-R-83248/2Interchangeable
interchangeable cross-reference
interchangeable
AMS7529Interchangeable
interchangeable cross-reference
interchangeable
AS3581-026CPInterchangeable
interchangeable cross-reference
interchangeable
M83248/2-019Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9379J4278 PC 17?
9379J4278 PC 17 is a PACKING,PREFORMED.
What parts can replace 9379J4278 PC 17?
There are 11 known substitutes for 9379J4278 PC 17: AMS7259, AS568-019MILR83248TYPE1CLASS2, MIL-R-83248/2 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9379J4278 PC 17?
9379J4278 PC 17 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-227-2198. This indicates validated use in U.S. government and defense supply chains.
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