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Technical Data Sheet
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277557 — 277557

✓ Government record, cited
EATON AEROSPACE, LLC DBA JACKSON SOUTH · GATE VALVE
PRODUCT OVERVIEW

277557: 277557.

The 277557 is a EATON AEROSPACE, LLC DBA JACKSON SOUTH industrial component. This part is cataloged in the U.S. Government catalog under NSN 4810-01-453-8885, 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
277557
NSN: 4810-01-453-8885
FSC: 4810 — Valves, Powered
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
Part Number277557
ManufacturerEATON AEROSPACE, LLC DBA JACKSON SOUTH
NSN4810-01-453-8885
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 277557 · EATON AEROSPACE, LLC DBA JACKSON SOUTH ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESVALVE OPERATION METHOD - HYDRAULIC
END ITEM IDENTIFICATIONNSN 2320-01-442-1940
SUBSTITUTES & CROSS-REFERENCES 2
2242700Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1301040Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 277557?
277557 is a 277557 manufactured by EATON AEROSPACE, LLC DBA JACKSON SOUTH.
What parts can replace 277557?
There are 2 known substitutes for 277557: 2242700, 1301040. Substitute compatibility should be verified for your specific system.
What is the NSN for 277557?
277557 is cataloged in the U.S. Government catalog under NSN 4810-01-453-8885. This indicates validated use in U.S. government and defense supply chains.
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