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Technical Data Sheet
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4100420 — 4100420

✓ Government record, cited
RTX CORPORATION DIV PRATT & WHITNEY · ORING SEAL
PRODUCT OVERVIEW

4100420: 4100420.

The 4100420 is a RTX CORPORATION DIV PRATT & WHITNEY industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-456-4643, 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
4100420
NSN: 5330-01-456-4643
FSC: 5330 — Packing and Gasket Materials
CAGE: 55820 — RTX CORPORATION DIV PRATT & WHITNEY (USA)
SPECIFICATIONS
Part Number4100420
ManufacturerRTX CORPORATION DIV PRATT & WHITNEY
NSN5330-01-456-4643
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4100420 MFR: RTX CORPORATION DIV PRATT & WHITNEY ⚠ 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4100420?
4100420 is a 4100420 manufactured by RTX CORPORATION DIV PRATT & WHITNEY.
What is the NSN for 4100420?
4100420 is cataloged in the U.S. Government catalog under NSN 5330-01-456-4643. This indicates validated use in U.S. government and defense supply chains.
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