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6671-661-000 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6671-661-000: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, special_features: CORD LENGTH 24.563 INCHES IN, center_hole_diameter: 7.750 INCHES NOMINAL IN, cross-sectional_height: 0.070 INCHES NOMINAL IN, end_item_identification: ACTUATOR VALVE, part_name_assigned_by_controlling_agency: TOP COVER,O-RING. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-506-5179, 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
6671-661-000
NSN: 5331-01-506-5179
FSC: 5331 — O-ring
CAGE: 63600 — CURTISS-WRIGHT FLOW CONTROL CORPORATION DBA CURTISS-WRIGHT FLOW CONTROL CO DIV CURTISS-WRIGHT / NU-TORQUE (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
special_featuresCORD LENGTH 24.563 INCHES IN
center_hole_diameter7.750 INCHES NOMINAL IN
cross-sectional_height0.070 INCHES NOMINAL IN
end_item_identificationACTUATOR VALVE
part_name_assigned_by_controlling_agencyTOP COVER,O-RING
NSN5331-01-506-5179
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6671-661-000 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: 0.070 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 7.750 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.070 INCHES NOMINAL IN
SPECIAL FEATURESCORD LENGTH 24.563 INCHES IN
CENTER HOLE DIAMETER7.750 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYTOP COVER,O-RING
END ITEM IDENTIFICATIONACTUATOR VALVE
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
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 1
6612PL FIND NO 66Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6671-661-000?
6671-661-000 is a O-RING.
What parts can replace 6671-661-000?
There is 1 known substitute for 6671-661-000: 6612PL FIND NO 66. Substitute compatibility should be verified for your specific system.
What is the NSN for 6671-661-000?
6671-661-000 is cataloged in the U.S. Government catalog under NSN 5331-01-506-5179. This indicates validated use in U.S. government and defense supply chains.
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