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R978727228 — R978727228

✓ Government record, cited
BOSCH REXROTH CORPORATION DIV INDUSTRIAL HYDRAULICS · ORING SEAL
PRODUCT OVERVIEW

R978727228: R978727228.

The R978727228 is a BOSCH REXROTH CORPORATION DIV INDUSTRIAL HYDRAULICS industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-453-4485, 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
R978727228
NSN: 5331-01-453-4485
FSC: 5331 — O-ring
CAGE: 27005 — BOSCH REXROTH CORPORATION DIV INDUSTRIAL HYDRAULICS (USA)
SPECIFICATIONS
Part NumberR978727228
ManufacturerBOSCH REXROTH CORPORATION DIV INDUSTRIAL HYDRAULICS
NSN5331-01-453-4485
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: R978727228 MFR: BOSCH REXROTH CORPORATION DIV INDUSTRIAL HYDRAULICS ⚠ 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
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 2
68118-008Reference document
Same NSN cross-reference
Reference document — Secondary reference
1603-552-206 DET NO 23Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is R978727228?
R978727228 is a R978727228 manufactured by BOSCH REXROTH CORPORATION DIV INDUSTRIAL HYDRAULICS.
What parts can replace R978727228?
There are 2 known substitutes for R978727228: 68118-008, 1603-552-206 DET NO 23. Substitute compatibility should be verified for your specific system.
What is the NSN for R978727228?
R978727228 is cataloged in the U.S. Government catalog under NSN 5331-01-453-4485. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.