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187I-187J — PACKING ASSEMBLY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

187I-187J: PACKING ASSEMBLY.

The PACKING ASSEMBLY is a the manufacturer industrial component. Key specifications include height: 1.937 INCHES NOMINAL IN, material: ASBESTOS INTERMEDIATE RING, inside_diameter: 2.375 INCHES NOMINAL IN, outside_diameter: 3.000 INCHES NOMINAL IN, cross-sectional_shape_style: CUP BOTTOM RING. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-026-0571, 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-187J
NSN: 5330-01-026-0571
FSC: 5330 — Packing and Gasket Materials
CAGE: 71724 — JOHN CRANE, INC (USA)
SPECIFICATIONS
height1.937 INCHES NOMINAL IN
materialASBESTOS INTERMEDIATE RING
inside_diameter2.375 INCHES NOMINAL IN
outside_diameter3.000 INCHES NOMINAL IN
intermediate_ring_quantity4
cross-sectional_shape_styleCUP BOTTOM RING
NSN5330-01-026-0571
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 187I-187J 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
•
INTERMEDIATE RING QUANTITY: 4
•
OUTSIDE DIAMETER: 3.000 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: CUP BOTTOM RING
•
INSIDE DIAMETER: 2.375 INCHES NOMINAL IN
•
HEIGHT: 1.937 INCHES NOMINAL IN
•
MATERIAL: ASBESTOS INTERMEDIATE RING
TECHNICAL CHARACTERISTICS
INTERMEDIATE RING QUANTITY4
OUTSIDE DIAMETER3.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLECUP BOTTOM RING
CROSS-SECTIONAL SHAPE STYLEANGLE TOP RING
CROSS-SECTIONAL SHAPE STYLECUP INTERMEDIATE RING
INSIDE DIAMETER2.375 INCHES NOMINAL IN
HEIGHT1.937 INCHES NOMINAL IN
MATERIALASBESTOS INTERMEDIATE RING
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
X87601PC103-37Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 187I-187J?
187I-187J is a PACKING ASSEMBLY.
What parts can replace 187I-187J?
There is 1 known substitute for 187I-187J: X87601PC103-37. Substitute compatibility should be verified for your specific system.
What is the NSN for 187I-187J?
187I-187J is cataloged in the U.S. Government catalog under NSN 5330-01-026-0571. This indicates validated use in U.S. government and defense supply chains.
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