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670-50214 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

670-50214: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR, center_hole_diameter: 0.974 INCHES MINIMUM AND 0.994 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-128-5185, 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
670-50214
NSN: 5331-01-128-5185
FSC: 5331 — O-ring
CAGE: 9F512 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC PUMP DIVISION (USA)
SPECIFICATIONS
materialRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
center_hole_diameter0.974 INCHES MINIMUM AND 0.994 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-01-128-5185
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 670-50214 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: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.974 INCHES MINIMUM AND 0.994 INCHES MAXIMUM IN
•
MATERIAL: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.974 INCHES MINIMUM AND 0.994 INCHES MAXIMUM IN
MATERIALRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
SUBSTITUTES & CROSS-REFERENCES 1
2-214-E688-70Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 670-50214?
670-50214 is a O-RING.
What parts can replace 670-50214?
There is 1 known substitute for 670-50214: 2-214-E688-70. Substitute compatibility should be verified for your specific system.
What is the NSN for 670-50214?
670-50214 is cataloged in the U.S. Government catalog under NSN 5331-01-128-5185. 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.