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Technical Data Sheet
BACP11L345 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYPROPYLENE, center_hole_diameter: 3.960 INCHES MINIMUM AND 3.990 INCHES MAXIMUM IN, cross-sectional_height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-850-0486, 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
BACP11L345
NSN: 5331-00-850-0486
FSC: 5331 — O-RING
CAGE: 26030 — GRAPHLINE INC (USA)
SPECIFICATIONS
materialPLASTIC POLYPROPYLENE
center_hole_diameter3.960 INCHES MINIMUM AND 3.990 INCHES MAXIMUM IN
cross-sectional_height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
NSN5331-00-850-0486
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BACP11L345 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: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
MATERIAL: PLASTIC POLYPROPYLENE
CENTER HOLE DIAMETER: 3.960 INCHES MINIMUM AND 3.990 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
MATERIALPLASTIC POLYPROPYLENE
CENTER HOLE DIAMETER3.960 INCHES MINIMUM AND 3.990 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
11345Interchangeable
interchangeable cross-reference
interchangeable
11346Interchangeable
interchangeable cross-reference
interchangeable
MILS5944Interchangeable
interchangeable cross-reference
interchangeable
2380Interchangeable
interchangeable cross-reference
interchangeable
899238Interchangeable
interchangeable cross-reference
interchangeable
683660Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BACP11L345?
BACP11L345 is a O-RING.
What parts can replace BACP11L345?
There are 19 known substitutes for BACP11L345: 11345, 11346, MILS5944 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BACP11L345?
BACP11L345 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-850-0486. This indicates validated use in U.S. government and defense supply chains.
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