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488-4D2-3 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

488-4D2-3: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2017 BODY, seat_angle: 37.0 DEGREES ALL ENDS, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARED (TUBE) ALL ENDS, special_features: CRAKING PRESSURE 3.0 PSI. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-052-3974, 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
488-4D2-3
NSN: 4820-01-052-3974
FSC: 4820 — Valves, Nonpowered
CAGE: 09990 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC VALVE DIVISION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2017 BODY
seat_angle37.0 DEGREES ALL ENDS
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARED (TUBE) ALL ENDS
special_featuresCRAKING PRESSURE 3.0 PSI
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
mounting_positionHORIZONTAL OR VERTICAL
surface_treatmentANODIZE
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
NSN4820-01-052-3974
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 488-4D2-3 · 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
•
FLOW CONTROL DEVICE: POPPET
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE
•
CONNECTION STYLE: FLARED (TUBE) ALL ENDS
•
MOUNTING POSITION: HORIZONTAL OR VERTICAL
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/5,ALLOY 2017,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE
CONNECTION STYLEFLARED (TUBE) ALL ENDS
MOUNTING POSITIONHORIZONTAL OR VERTICAL
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/5,ALLOY 2017,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/5,ALLOY 2017,T4 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 304 FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-764,TYPE 303 FED SPEC 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SUBSTITUTES & CROSS-REFERENCES 2
488-4D2-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
9-1862-4Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 488-4D2-3?
488-4D2-3 is a VALVE,CHECK.
What parts can replace 488-4D2-3?
There are 2 known substitutes for 488-4D2-3: 488-4D2-2, 9-1862-4. Substitute compatibility should be verified for your specific system.
What is the NSN for 488-4D2-3?
488-4D2-3 is cataloged in the U.S. Government catalog under NSN 4820-01-052-3974. This indicates validated use in U.S. government and defense supply chains.
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