PartsTable
Technical Data Sheet
Download PDF

6V-3549 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6V-3549: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include outside_diameter: 152.7 INCHES NOMINAL IN, special_features: 145.64 MILLIMETER INNER DIAMETER O-RING SEAL MM, cross-sectional_diameter: 0.139 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: O-RING SEAL. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-727-6791, 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
6V-3549
NSN: 5331-01-727-6791
FSC: 5331 — O-ring
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
outside_diameter152.7 INCHES NOMINAL IN
special_features145.64 MILLIMETER INNER DIAMETER O-RING SEAL MM
cross-sectional_diameter0.139 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyO-RING SEAL
NSN5331-01-727-6791
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6V-3549 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
•
OUTSIDE DIAMETER: 152.7 INCHES NOMINAL IN
•
COLOR: GREEN
•
CROSS-SECTIONAL DIAMETER: 0.139 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER152.7 INCHES NOMINAL IN
COLORGREEN
SPECIAL FEATURES145.64 MILLIMETER INNER DIAMETER O-RING SEAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING SEAL
CROSS-SECTIONAL DIAMETER0.139 INCHES NOMINAL IN
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
Ready to buy 6V-3549?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 6V-3549?
6V-3549 is a O-RING.
What is the NSN for 6V-3549?
6V-3549 is cataloged in the U.S. Government catalog under NSN 5331-01-727-6791. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 6V-3549

✓ 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.