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27386 PIECE 26 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

27386 PIECE 26: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: GLASS JACKET, peripheral_diameter: 1.750 INCHES NOMINAL IN, center_hole_diameter: 1.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-207-1326, 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
27386 PIECE 26
NSN: 5330-01-207-1326
FSC: 5330 — Packing and Gasket Materials
CAGE: 14959 — CRANE CO DIV VALVE DIV (USA)
SPECIFICATIONS
materialGLASS JACKET
peripheral_diameter1.750 INCHES NOMINAL IN
center_hole_diameter1.375 INCHES NOMINAL IN
NSN5330-01-207-1326
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 27386 PIECE 26 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
•
PERIPHERAL DIAMETER: 1.750 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.375 INCHES NOMINAL IN
•
MATERIAL: PLASTIC CORE
TECHNICAL CHARACTERISTICS
PERIPHERAL DIAMETER1.750 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.375 INCHES NOMINAL IN
MATERIALPLASTIC CORE
MATERIALGLASS JACKET
SUBSTITUTES & CROSS-REFERENCES 2
159-246-336Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
B42815W ITEM 12 4INReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 27386 PIECE 26?
27386 PIECE 26 is a PACKING,PREFORMED.
What parts can replace 27386 PIECE 26?
There are 2 known substitutes for 27386 PIECE 26: 159-246-336, B42815W ITEM 12 4IN. Substitute compatibility should be verified for your specific system.
What is the NSN for 27386 PIECE 26?
27386 PIECE 26 is cataloged in the U.S. Government catalog under NSN 5330-01-207-1326. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.