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PartsTable / COMPONENT / 187I-1/4IN LB
187I-1/4IN LB ✓ 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 187I-1/4IN LB is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-599-9546, 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
187I-1/4IN LB
NSN: 5330-00-599-9546
FSC: 5330
CAGE: 71724 — JOHN CRANE, INC (USA)
SPECIFICATIONS
Part Number187I-1/4IN LB
NSN5330-00-599-9546
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 187I-1/4IN LB 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: 0.250 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 0.250 INCHES NOMINAL IN
•
NONDEFINITIVE SPEC/STD DATA: L TYPE AND 2 CLASS AND 1111 SYMBOL
•
MATERIAL: ASBESTOS AND IRON ALLOY
•
FABRICATION METHOD: BRAIDED AND SOLID
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.250 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.250 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATAL TYPE AND 2 CLASS AND 1111 SYMBOL
MATERIALASBESTOS AND IRON ALLOY
FABRICATION METHODBRAIDED AND SOLID
CROSS-SECTIONAL SHAPE STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
800330Interchangeable
interchangeable cross-reference
interchangeable
GGG-E-936 TY2Interchangeable
interchangeable cross-reference
interchangeable
WAL-082-1811 GVTInterchangeable
interchangeable cross-reference
interchangeable
413-1571Interchangeable
interchangeable cross-reference
interchangeable
095-2Interchangeable
interchangeable cross-reference
interchangeable
4250-020-79Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 187I-1/4IN LB?
187I-1/4IN LB is a 187I-1/4IN LB.
What parts can replace 187I-1/4IN LB?
There are 29 known substitutes for 187I-1/4IN LB: 800330, GGG-E-936 TY2, WAL-082-1811 GVT and 26 more. Substitute compatibility should be verified for your specific system.
Is 187I-1/4IN LB still available?
187I-1/4IN LB is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026