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T11906 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

T11906: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, special_features: 0-RING IS A BS345 HIGH NITRILE;TEMP RANGE -30 DEG C TO 120 DEG C DEGC, center_hole_diameter: 3.975 INCHES NOMINAL IN, cross-sectional_height: 0.210 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-478-0043, 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
T11906
NSN: 5331-01-478-0043
FSC: 5331 — O-ring
CAGE: 0X9M7 — FAD PENNSYLVANIA INC DBA THE TITUS CO (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
special_features0-RING IS A BS345 HIGH NITRILE;TEMP RANGE -30 DEG C TO 120 DEG C DEGC
center_hole_diameter3.975 INCHES NOMINAL IN
cross-sectional_height0.210 INCHES NOMINAL IN
NSN5331-01-478-0043
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: T11906 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: 0.210 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 3.975 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.210 INCHES NOMINAL IN
SPECIAL FEATURES0-RING IS A BS345 HIGH NITRILE;TEMP RANGE -30 DEG C TO 120 DEG C DEGC
CENTER HOLE DIAMETER3.975 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
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 1
99-1103-5-D1 PC13Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is T11906?
T11906 is a O-RING.
What parts can replace T11906?
There is 1 known substitute for T11906: 99-1103-5-D1 PC13. Substitute compatibility should be verified for your specific system.
What is the NSN for T11906?
T11906 is cataloged in the U.S. Government catalog under NSN 5331-01-478-0043. This indicates validated use in U.S. government and defense supply chains.
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