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2D3-978 PIECE 78 — 2D3-978 PIECE 78

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2D3-978 PIECE 78: 2D3-978 PIECE 78.

The 2D3-978 PIECE 78 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-280-6419, 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
2D3-978 PIECE 78
NSN: 5330-01-280-6419
FSC: 5330 — Packing and Gasket Materials
CAGE: 34712 — LAKE SHORE SYSTEMS, INC. (USA)
SPECIFICATIONS
Part Number2D3-978 PIECE 78
NSN5330-01-280-6419
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2D3-978 PIECE 78 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
11318LPDReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2D3-978 PIECE 78?
2D3-978 PIECE 78 is a 2D3-978 PIECE 78.
What parts can replace 2D3-978 PIECE 78?
There is 1 known substitute for 2D3-978 PIECE 78: 11318LPD. Substitute compatibility should be verified for your specific system.
What is the NSN for 2D3-978 PIECE 78?
2D3-978 PIECE 78 is cataloged in the U.S. Government catalog under NSN 5330-01-280-6419. This indicates validated use in U.S. government and defense supply chains.
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