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Technical Data Sheet
PartsTable / COMPONENT / 2-245-77-545
2-245-77-545 ✓ 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 color: BLACK, cut_type: RECTANGULAR PACKING, joint_type: BUTT PACKING, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL OVERALL, center_hole_diameter: 4.359 INCHES NOMINAL IN, cross-sectional_height: 0.139 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-954-7085, 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
2-245-77-545
NSN: 5330-00-954-7085
FSC: 5330
CAGE: 83259 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV COMPOSITE SEALING SYSTEMS DIVISION (USA)
SPECIFICATIONS
colorBLACK
cut_typeRECTANGULAR PACKING
joint_typeBUTT PACKING
hardness_rating70.0 SHORE DUROMETER A NOMINAL OVERALL
center_hole_diameter4.359 INCHES NOMINAL IN
cross-sectional_height0.139 INCHES NOMINAL IN
cross-sectional_shape_styleO-RING
NSN5330-00-954-7085
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-245-77-545 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
•
COLOR: BLACK
•
JOINT TYPE: BUTT PACKING
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL OVERALL
•
CUT TYPE: RECTANGULAR PACKING
•
CENTER HOLE DIAMETER: 4.359 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: O-RING
•
CROSS-SECTIONAL HEIGHT: 0.139 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
COLORBLACK
JOINT TYPEBUTT PACKING
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL OVERALL
CUT TYPERECTANGULAR PACKING
CENTER HOLE DIAMETER4.359 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEO-RING
CROSS-SECTIONAL HEIGHT0.139 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
PP056TB1-245Interchangeable
interchangeable cross-reference
interchangeable
8/1-245Interchangeable
interchangeable cross-reference
interchangeable
MS9388-245Interchangeable
interchangeable cross-reference
interchangeable
MIL-G-23652 TY2-245Interchangeable
Same NIIN cross-reference
interchangeable
V0747 2-245Interchangeable
Same NIIN cross-reference
interchangeable
2-245 V747-75Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2-245-77-545?
2-245-77-545 is a PACKING,PREFORMED.
What parts can replace 2-245-77-545?
There are 6 known substitutes for 2-245-77-545: PP056TB1-245, 8/1-245, MS9388-245 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-245-77-545?
2-245-77-545 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-954-7085. 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