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1978144C1 — ACCUMULATOR,HYDRAULIC

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1978144C1: ACCUMULATOR,HYDRAULIC.

The ACCUMULATOR,HYDRAULIC is a the manufacturer industrial component. Key specifications include shape: CYLINDRICAL, material: ALUMINUM, thread_class: 2B, overall_width: 9.050 INCHES NOMINAL IN, overall_length: 61.630 INCHES NOMINAL IN, separator_type: BLADDER. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-497-1507, 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
1978144C1
NSN: 4820-01-497-1507
FSC: 4820 — Valves, Nonpowered
CAGE: F2758 — CNH INDUSTRIAL FRANCE (FRA)
SPECIFICATIONS
shapeCYLINDRICAL
materialALUMINUM
thread_class2B
overall_width9.050 INCHES NOMINAL IN
overall_length61.630 INCHES NOMINAL IN
separator_typeBLADDER
bleeder_openingINCLUDED
operating_pressure3000.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
maximum_fluid_volume11.000 GALLONS
end_item_identificationACCUMULATOR BLADDER
port_screw_thread_diameter0.4375 INCHES NOMINAL IN
port_screw_thread_quantity_per_inch20.000
NSN4820-01-497-1507
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1978144C1 · 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
SUBSTITUTES & CROSS-REFERENCES 1
AB44S225Reference 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 1978144C1?
1978144C1 is a ACCUMULATOR,HYDRAULIC.
What parts can replace 1978144C1?
There is 1 known substitute for 1978144C1: AB44S225. Substitute compatibility should be verified for your specific system.
What is the NSN for 1978144C1?
1978144C1 is cataloged in the U.S. Government catalog under NSN 4820-01-497-1507. 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.