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Q37043Z5048 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

Q37043Z5048: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE NITRILE, special_features: OPERATING TEMPERATURE IS -20 TO 200 CELSIUS DEGC, center_hole_diameter: 75.0 MILLIMETERS NOMINAL MM, cross-sectional_height: 9.0 MILLIMETERS NOMINAL MM, end_item_identification: UMM HOIST CYL, part_name_assigned_by_controlling_agency: ROD SEAL PRAEDIFA SERIES Q3. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-686-2903, 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
Q37043Z5048
NSN: 5331-01-686-2903
FSC: 5331 — O-ring
CAGE: 30781 — PARKER-HANNIFIN CORPORATION DIV ENGINEERED POLYMER SYSTEMS DIVISION (EPS) (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE NITRILE
special_featuresOPERATING TEMPERATURE IS -20 TO 200 CELSIUS DEGC
center_hole_diameter75.0 MILLIMETERS NOMINAL MM
cross-sectional_height9.0 MILLIMETERS NOMINAL MM
end_item_identificationUMM HOIST CYL
part_name_assigned_by_controlling_agencyROD SEAL PRAEDIFA SERIES Q3
NSN5331-01-686-2903
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: Q37043Z5048 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: 9.0 MILLIMETERS NOMINAL MM
•
COLOR: BLACK
•
CENTER HOLE DIAMETER: 75.0 MILLIMETERS NOMINAL MM
•
MATERIAL: RUBBER BUTADIENE NITRILE
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT9.0 MILLIMETERS NOMINAL MM
COLORBLACK
SPECIAL FEATURESOPERATING TEMPERATURE IS -20 TO 200 CELSIUS DEGC
CENTER HOLE DIAMETER75.0 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYROD SEAL PRAEDIFA SERIES Q3
END ITEM IDENTIFICATIONUMM HOIST CYL
MATERIALRUBBER BUTADIENE NITRILE
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 2
REY1620969Z8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7377582-59Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is Q37043Z5048?
Q37043Z5048 is a O-RING.
What parts can replace Q37043Z5048?
There are 2 known substitutes for Q37043Z5048: REY1620969Z8, 7377582-59. Substitute compatibility should be verified for your specific system.
What is the NSN for Q37043Z5048?
Q37043Z5048 is cataloged in the U.S. Government catalog under NSN 5331-01-686-2903. This indicates validated use in U.S. government and defense supply chains.
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