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6139172 FIND 7 — VALVE,HOLD,BOOM HOIST CYLINDER

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

6139172 FIND 7: VALVE,HOLD,BOOM HOIST CYLINDER.

The VALVE,HOLD,BOOM HOIST CYLINDER is a the manufacturer industrial component. Key specifications include pilot_ratio: 4.5 TO 1, valve_operation_method: PILOT, opening_pressure_setting: 3000.0 POUNDS PER SQUARE INCH LBS, adjustable_pressure_range: +2000.0 TO 5000.0 POUNDS PER SQUARE INCH LBS, part_name_assigned_by_controlling_agency: COUNTERBALANCE VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-438-7785, 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
6139172 FIND 7
NSN: 4820-01-438-7785
FSC: 4820 — Valves, Nonpowered
CAGE: 80091 — NAVAL FACILITIES ENGINEERING COMMAND (USA)
SPECIFICATIONS
pilot_ratio4.5 TO 1
valve_operation_methodPILOT
opening_pressure_setting3000.0 POUNDS PER SQUARE INCH LBS
adjustable_pressure_range+2000.0 TO 5000.0 POUNDS PER SQUARE INCH LBS
part_name_assigned_by_controlling_agencyCOUNTERBALANCE VALVE
NSN4820-01-438-7785
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6139172 FIND 7 · 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
•
CONNECTION TYPE: THREADED CARTRIDGE
•
ADJUSTABLE PRESSURE RANGE: +2000.0 TO 5000.0 POUNDS PER SQUARE INCH LBS
•
PILOT RATIO: 4.5 TO 1
•
OPENING PRESSURE SETTING: 3000.0 POUNDS PER SQUARE INCH LBS
•
VALVE OPERATION METHOD: PILOT
TECHNICAL CHARACTERISTICS
CONNECTION TYPETHREADED CARTRIDGE
ADJUSTABLE PRESSURE RANGE+2000.0 TO 5000.0 POUNDS PER SQUARE INCH LBS
PART NAME ASSIGNED BY CONTROLLING AGENCYCOUNTERBALANCE VALVE
PILOT RATIO4.5 TO 1
OPENING PRESSURE SETTING3000.0 POUNDS PER SQUARE INCH LBS
VALVE OPERATION METHODPILOT
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6139172 FIND 7?
6139172 FIND 7 is a VALVE,HOLD,BOOM HOIST CYLINDER.
What is the NSN for 6139172 FIND 7?
6139172 FIND 7 is cataloged in the U.S. Government catalog under NSN 4820-01-438-7785. 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.