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840731 — SHAFT QUILL AND SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

840731: SHAFT QUILL AND SPRING.

The SHAFT QUILL AND SPRING is a the manufacturer industrial component. Key specifications include end_item_identification: ENGINE MODEL F402, general_characteristics_item_description: 0.615 IN. MAX DIA WHEN RING SPRING IS FITTED IN.

This part is cataloged in the U.S. Government catalog under NSN 5340-01-043-5642, 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
840731
NSN: 5340-01-043-5642
NIINs: 010435642, 011569181
FSC: 5340 — Hardware, Commercial
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
end_item_identificationENGINE MODEL F402
general_characteristics_item_description0.615 IN. MAX DIA WHEN RING SPRING IS FITTED IN
NSN5340-01-043-5642
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 840731 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

No substitute or cross-reference records for this part.

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 840731?
840731 is a SHAFT QUILL AND SPRING.
What is the NSN for 840731?
840731 is cataloged in the U.S. Government catalog under NSN 5340-01-043-5642. This indicates validated use in U.S. government and defense supply chains.
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