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4464T347 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4464T347: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include temp_rating: -65.0 FAHRENHEIT AND 155.0 FAHRENHEIT DEGF, outside_diameter: 1.770 INCHES NOMINAL IN, center_hole_diameter: 1.35 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: MIL. SPEC OIL-RESISTANT BUNA-N O-RING.

This part is cataloged in the U.S. Government catalog under NSN 5331-01-661-4722, 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
4464T347
NSN: 5331-01-661-4722
FSC: 5331 — O-ring
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
temp_rating-65.0 FAHRENHEIT AND 155.0 FAHRENHEIT DEGF
outside_diameter1.770 INCHES NOMINAL IN
center_hole_diameter1.35 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyMIL. SPEC OIL-RESISTANT BUNA-N O-RING
NSN5331-01-661-4722
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4464T347 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
•
TEMP RATING: -65.0 FAHRENHEIT AND 155.0 FAHRENHEIT DEGF
•
OUTSIDE DIAMETER: 1.770 INCHES NOMINAL IN
•
COLOR: BLACK
•
CENTER HOLE DIAMETER: 1.35 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 155.0 FAHRENHEIT DEGF
OUTSIDE DIAMETER1.770 INCHES NOMINAL IN
COLORBLACK
CENTER HOLE DIAMETER1.35 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYMIL. SPEC OIL-RESISTANT BUNA-N O-RING
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4464T347?
4464T347 is a O-RING.
What is the NSN for 4464T347?
4464T347 is cataloged in the U.S. Government catalog under NSN 5331-01-661-4722. 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.