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873057-4 — HIGH PRESSURE UNIT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

873057-4: HIGH PRESSURE UNIT.

The HIGH PRESSURE UNIT is a the manufacturer industrial component. Key specifications include special_features: GROUP CB, TITLE HYDRAULIC PUMP AND TRIM INSTRUMENT, ITEM 12. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-538-8853, 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
873057-4
NSN: 4820-01-538-8853
FSC: 4820 — Valves, Nonpowered
CAGE: 61724 — VOLVO PENTA OF THE AMERICAS INC (USA)
SPECIFICATIONS
special_featuresGROUP CB, TITLE HYDRAULIC PUMP AND TRIM INSTRUMENT, ITEM 12
NSN4820-01-538-8853
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 873057-4 · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESGROUP CB, TITLE HYDRAULIC PUMP AND TRIM INSTRUMENT, ITEM 12
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 1
873057Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 873057-4?
873057-4 is a HIGH PRESSURE UNIT.
What parts can replace 873057-4?
There is 1 known substitute for 873057-4: 873057. Substitute compatibility should be verified for your specific system.
What is the NSN for 873057-4?
873057-4 is cataloged in the U.S. Government catalog under NSN 4820-01-538-8853. 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.