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Technical Data Sheet
PartsTable / COMPONENT / 187-1 1/8IN
187-1 1/8IN ✓ 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 187-1 1/8IN is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-599-9544, 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
187-1 1/8IN
NSN: 5330-00-599-9544
FSC: 5330
CAGE: 14959 — CRANE CO DIV VALVE DIV (USA)
SPECIFICATIONS
Part Number187-1 1/8IN
NSN5330-00-599-9544
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 187-1 1/8IN 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: 0.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 0.125 INCHES NOMINAL IN
•
MATERIAL: ASBESTOS AND IRON ALLOY AND PLASTIC
•
NONDEFINITIVE SPEC/STD DATA: 2 CLASS AND E TYPE AND 1111 SYMBOL
•
FABRICATION METHOD: BRAIDED AND SOLID
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.125 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.125 INCHES NOMINAL IN
MATERIALASBESTOS AND IRON ALLOY AND PLASTIC
NONDEFINITIVE SPEC/STD DATA2 CLASS AND E TYPE AND 1111 SYMBOL
FABRICATION METHODBRAIDED AND SOLID
CROSS-SECTIONAL SHAPE STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
MILP17303Interchangeable
interchangeable cross-reference
interchangeable
101A247ABP1Interchangeable
interchangeable cross-reference
interchangeable
MIL-P-17303-1/8 IN THKInterchangeable
interchangeable cross-reference
interchangeable
CA9189 PIECE 66FInterchangeable
interchangeable cross-reference
interchangeable
12965-27Interchangeable
interchangeable cross-reference
interchangeable
55-01-02 ITEM 11 3/8 IN SQInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 187-1 1/8IN?
187-1 1/8IN is a 187-1 1/8IN.
What parts can replace 187-1 1/8IN?
There are 15 known substitutes for 187-1 1/8IN: MILP17303, 101A247ABP1, MIL-P-17303-1/8 IN THK and 12 more. Substitute compatibility should be verified for your specific system.
Is 187-1 1/8IN still available?
187-1 1/8IN 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