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6660289 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6660289: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 35.0 MILLIMETERS NOMINAL MM, diameter: 11.9 MILLIMETERS MINIMUM AND 12.0 MILLIMETERS MAXIMUM MM, style_designator: PROJECTION ONE END W/ RIGHT EXTERNAL THREAD, cross-sectional_shape: ROUND, right_projection_length: 12.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-377-0327, 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
6660289
NSN: 5340-01-377-0327
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
length35.0 MILLIMETERS NOMINAL MM
diameter11.9 MILLIMETERS MINIMUM AND 12.0 MILLIMETERS MAXIMUM MM
style_designatorPROJECTION ONE END W/ RIGHT EXTERNAL THREAD
cross-sectional_shapeROUND
right_projection_length12.0 MILLIMETERS NOMINAL MM
NSN5340-01-377-0327
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6660289 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
•
LENGTH: 35.0 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: PROJECTION ONE END W/ RIGHT EXTERNAL THREAD
•
DIAMETER: 11.9 MILLIMETERS MINIMUM AND 12.0 MILLIMETERS MAXIMUM MM
•
CROSS-SECTIONAL SHAPE: ROUND
•
RIGHT PROJECTION LENGTH: 12.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
LENGTH35.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATORPROJECTION ONE END W/ RIGHT EXTERNAL THREAD
DIAMETER11.9 MILLIMETERS MINIMUM AND 12.0 MILLIMETERS MAXIMUM MM
CROSS-SECTIONAL SHAPEROUND
RIGHT PROJECTION LENGTH12.0 MILLIMETERS NOMINAL MM
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 6660289?
6660289 is a STANDOFF,THREADED,SPACING.
What is the NSN for 6660289?
6660289 is cataloged in the U.S. Government catalog under NSN 5340-01-377-0327. 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.