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Technical Data Sheet
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3138688R2 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3138688R2: GASKET.

The GASKET is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-286-7823, 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
3138688R2
NSN: 5330-01-286-7823
FSC: 5330 — Packing and Gasket Materials
CAGE: 45RP7 — DRESSTA NORTH AMERICA LTD (USA)
SPECIFICATIONS
Part Number3138688R2
NSN5330-01-286-7823
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3138688R2 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
SUBSTITUTES & CROSS-REFERENCES 1
3 138 688 R1Reference 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 3138688R2?
3138688R2 is a GASKET.
What parts can replace 3138688R2?
There is 1 known substitute for 3138688R2: 3 138 688 R1. Substitute compatibility should be verified for your specific system.
What is the NSN for 3138688R2?
3138688R2 is cataloged in the U.S. Government catalog under NSN 5330-01-286-7823. This indicates validated use in U.S. government and defense supply chains.
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