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519912 — VALVE,DOUBLE CHECK

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

519912: VALVE,DOUBLE CHECK.

The VALVE,DOUBLE CHECK is a the manufacturer industrial component. Key specifications include end_item_identification: 16806061426, general_characteristics_item_description: STEEL,1.750 IN. O/D,1.565 IN.

LG,O/A IN. This part is cataloged in the U.S. Government catalog under NSN 2915-00-586-8566, 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
519912
NSN: 2915-00-586-8566
FSC: 2915 — Engine Fuel System Components, Aircraft and Missile Prime Movers
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
end_item_identification16806061426
general_characteristics_item_descriptionSTEEL,1.750 IN. O/D,1.565 IN. LG,O/A IN
NSN2915-00-586-8566
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,DOUBLE CHECK TITLE COMPONENT PN 519912 MFR VALVE,DOUBLE CHECK
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,1.750 IN. O/D,1.565 IN. LG,O/A IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,1.750 IN. O/D,1.565 IN. LG,O/A IN
END ITEM IDENTIFICATION16806061426
OTHER ITEMS IN FSC 2915 — Engine Fuel System Components, Aircraft and Missile Prime Movers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2915-00-037-7971 2915-00-037-8234 2915-00-124-0534 2915-00-166-4957 2915-00-650-8936 2915-00-705-9720 2915-01-484-4365 2915-01-551-1643
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)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 519912?
519912 is a VALVE,DOUBLE CHECK.
What is the NSN for 519912?
519912 is cataloged in the U.S. Government catalog under NSN 2915-00-586-8566. 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.