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HV19-644-55-AJ — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

HV19-644-55-AJ: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q, pressure_rating: 50.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, media_for_which_designed: WATER. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-342-8835, 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
HV19-644-55-AJ
NSN: 4810-01-342-8835
FSC: 4810 — Valves, Powered
CAGE: 04845 — AUTOMATIC SWITCH COMPANY DBA ASCO (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
pressure_rating50.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
media_for_which_designedWATER
NSN4810-01-342-8835
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: HV19-644-55-AJ · 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
•
PRESSURE RATING: 50.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
MEDIA FOR WHICH DESIGNED: WATER
•
MATERIAL: RUBBER SILICONE CLASS Q
TECHNICAL CHARACTERISTICS
PRESSURE RATING50.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
MEDIA FOR WHICH DESIGNEDWATER
MATERIALRUBBER SILICONE CLASS Q
OTHER ITEMS IN FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611
SUBSTITUTES & CROSS-REFERENCES 1
AV182-430 ITEM 47Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 HV19-644-55-AJ?
HV19-644-55-AJ is a DISK,VALVE.
What parts can replace HV19-644-55-AJ?
There is 1 known substitute for HV19-644-55-AJ: AV182-430 ITEM 47. Substitute compatibility should be verified for your specific system.
What is the NSN for HV19-644-55-AJ?
HV19-644-55-AJ is cataloged in the U.S. Government catalog under NSN 4810-01-342-8835. 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.