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44646-55 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

44646-55: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include flow_control_device: PISTON, SPRING LOADED, media_for_which_designed: HYDROCARBON FUELS AND OILS, maximum_inlet_pressure_rating: ERR-060. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-337-9238, 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
44646-55
NSN: 4820-01-337-9238
FSC: 4820 — Valves, Nonpowered
CAGE: 0DT23 — EATON CORPORATION DBA EATON INOAC (USA)
SPECIFICATIONS
flow_control_devicePISTON, SPRING LOADED
media_for_which_designedHYDROCARBON FUELS AND OILS
maximum_inlet_pressure_ratingERR-060
NSN4820-01-337-9238
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 44646-55 · OEM ⚠ 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
KEY FEATURES
•
FLOW CONTROL DEVICE: PISTON, SPRING LOADED
•
MEDIA FOR WHICH DESIGNED: HYDROCARBON FUELS AND OILS
•
MAXIMUM INLET PRESSURE RATING: ERR-060
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPISTON, SPRING LOADED
MEDIA FOR WHICH DESIGNEDHYDROCARBON FUELS AND OILS
MAXIMUM INLET PRESSURE RATINGERR-060
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 44646-55?
44646-55 is a VALVE,REGULATING,FLUID PRESSURE.
What is the NSN for 44646-55?
44646-55 is cataloged in the U.S. Government catalog under NSN 4820-01-337-9238. 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.