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Technical Data Sheet
PartsTable / COMPONENT / 4809-F, PC 38
4809-F, PC 38 ✓ 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 4809-F, PC 38 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-559-2363, 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
4809-F, PC 38
NSN: 5330-00-559-2363
FSC: 5330
CAGE: 04537 — ATWOOD & MORRILL CO., INC. DBA WEIR VALVES AND CONTROLS USA (USA)
SPECIFICATIONS
Part Number4809-F, PC 38
NSN5330-00-559-2363
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4809-F, PC 38 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
•
ANGLE: 25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
JOINT TYPE: SCARF-BUTT RETAINER
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
•
PERIPHERAL DIAMETER: 1.492 INCHES NOMINAL IN
•
DISTANCE BETWEEN ENDS: 0.047 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ANGLE25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
JOINT TYPESCARF-BUTT RETAINER
SPECIAL FEATURESREADY FOR TRANSFER; J6R; 02-24-2010.
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
PERIPHERAL DIAMETER1.492 INCHES NOMINAL IN
DISTANCE BETWEEN ENDS0.047 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.250 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.025 INCHES MINIMUM AND 0.029 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
5330001716758Interchangeable
interchangeable cross-reference
interchangeable
25704-281300.09.0Interchangeable
interchangeable cross-reference
interchangeable
255552PC34Interchangeable
interchangeable cross-reference
interchangeable
5330PL0892547Interchangeable
interchangeable cross-reference
interchangeable
MS28782-23CPInterchangeable
interchangeable cross-reference
interchangeable
MS28782-23Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4809-F, PC 38?
4809-F, PC 38 is a 4809-F, PC 38.
What parts can replace 4809-F, PC 38?
There are 10 known substitutes for 4809-F, PC 38: 5330001716758, 25704-281300.09.0, 255552PC34 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4809-F, PC 38?
4809-F, PC 38 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-559-2363. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026