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RK44T 1.5IN — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

RK44T 1.5IN: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-239-7111, 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
RK44T 1.5IN
NSN: 5331-01-239-7111
FSC: 5331 — O-ring
CAGE: 1H855 — IVES EQUIPMENT, LLC (USA)
SPECIFICATIONS
Part NumberRK44T 1.5IN
NSN5331-01-239-7111
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: RK44T 1.5IN 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
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 3
D2339ITM/6 1.50IN.Reference document
Same NSN cross-reference
Reference document — Secondary reference
SD 2339 ITM/6 1 .50IN.Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
417TTEReference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RK44T 1.5IN?
RK44T 1.5IN is a O-RING.
What parts can replace RK44T 1.5IN?
There are 3 known substitutes for RK44T 1.5IN: D2339ITM/6 1.50IN., SD 2339 ITM/6 1 .50IN., 417TTE. Substitute compatibility should be verified for your specific system.
What is the NSN for RK44T 1.5IN?
RK44T 1.5IN is cataloged in the U.S. Government catalog under NSN 5331-01-239-7111. 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.