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110M1066A3 PIECE 7 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

110M1066A3 PIECE 7: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-198-1602, 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
110M1066A3 PIECE 7
NSN: 5331-01-198-1602
FSC: 5331 — O-ring
CAGE: 51900 — ITT CORPORATION DBA ITT STANDARD (USA)
SPECIFICATIONS
Part Number110M1066A3 PIECE 7
NSN5331-01-198-1602
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 110M1066A3 PIECE 7 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
75G10R607Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
75G1OR607Reference document
Same NSN cross-reference
Reference document — Secondary reference
3-355-8-10-101-01Reference 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 110M1066A3 PIECE 7?
110M1066A3 PIECE 7 is a O-RING.
What parts can replace 110M1066A3 PIECE 7?
There are 3 known substitutes for 110M1066A3 PIECE 7: 75G10R607, 75G1OR607, 3-355-8-10-101-01. Substitute compatibility should be verified for your specific system.
What is the NSN for 110M1066A3 PIECE 7?
110M1066A3 PIECE 7 is cataloged in the U.S. Government catalog under NSN 5331-01-198-1602. 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.