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DM52877 ITEM 5 — VALVE,HOLD,BOOM HOIST CYLINDER

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

DM52877 ITEM 5: VALVE,HOLD,BOOM HOIST CYLINDER.

The VALVE,HOLD,BOOM HOIST CYLINDER is a the manufacturer industrial component. Key specifications include pilot_ratio: 3 TO 1, special_features: 0 TO 12 GPM;O/A LG 6.000 IN. IN, valve_operation_method: PILOT, end_item_identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS, opening_pressure_setting: 3000.0 POUNDS PER SQUARE INCH LBS, adjustable_pressure_range: +1000.0 TO 4000.0 POUNDS PER SQUARE INCH LBS.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-421-0037, 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
DM52877 ITEM 5
NSN: 4820-01-421-0037
FSC: 4820 — Valves, Nonpowered
CAGE: K0107 — MACTAGGART SCOTT & CO LTD (GBR)
SPECIFICATIONS
pilot_ratio3 TO 1
special_features0 TO 12 GPM;O/A LG 6.000 IN. IN
valve_operation_methodPILOT
end_item_identificationSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
opening_pressure_setting3000.0 POUNDS PER SQUARE INCH LBS
adjustable_pressure_range+1000.0 TO 4000.0 POUNDS PER SQUARE INCH LBS
part_name_assigned_by_controlling_agencyCOUNTERBALANCE VALVE
NSN4820-01-421-0037
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: DM52877 ITEM 5 · 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: +1000.0 TO 4000.0 POUNDS PER SQUARE INCH LBS
•
PILOT RATIO: 3 TO 1
•
OPENING PRESSURE SETTING: 3000.0 POUNDS PER SQUARE INCH LBS
•
VALVE OPERATION METHOD: PILOT
TECHNICAL CHARACTERISTICS
CONNECTION TYPETHREADED CARTRIDGE
ADJUSTABLE PRESSURE RANGE+1000.0 TO 4000.0 POUNDS PER SQUARE INCH LBS
SPECIAL FEATURES0 TO 12 GPM;O/A LG 6.000 IN. IN
PART NAME ASSIGNED BY CONTROLLING AGENCYCOUNTERBALANCE VALVE
END ITEM IDENTIFICATIONSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
PILOT RATIO3 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 1
DM52877/5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 DM52877 ITEM 5?
DM52877 ITEM 5 is a VALVE,HOLD,BOOM HOIST CYLINDER.
What parts can replace DM52877 ITEM 5?
There is 1 known substitute for DM52877 ITEM 5: DM52877/5. Substitute compatibility should be verified for your specific system.
What is the NSN for DM52877 ITEM 5?
DM52877 ITEM 5 is cataloged in the U.S. Government catalog under NSN 4820-01-421-0037. This indicates validated use in U.S. government and defense supply chains.
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