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516144 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

516144: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, hardness_rating: 55.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL, center_hole_diameter: 2.375 INCHES NOMINAL IN, cross-sectional_height: 0.188 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-171-3878, 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
516144
NSN: 5330-00-171-3878
NIINs: 001713878, 013676721
FSC: 5330 — Packing and Gasket Materials
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
hardness_rating55.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
center_hole_diameter2.375 INCHES NOMINAL IN
cross-sectional_height0.188 INCHES NOMINAL IN
NSN5330-00-171-3878
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 516144 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: 0.188 INCHES NOMINAL IN
•
HARDNESS RATING: 55.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
•
CENTER HOLE DIAMETER: 2.375 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.188 INCHES NOMINAL IN
HARDNESS RATING55.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
CENTER HOLE DIAMETER2.375 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
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 516144?
516144 is a PACKING,PREFORMED.
What is the NSN for 516144?
516144 is cataloged in the U.S. Government catalog under NSN 5330-00-171-3878. 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.