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9-1862-4 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

9-1862-4: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEAT, thread_class: 3B ALL ENDS, connection_type: THREADED INTERNAL BOSS ALL ENDS, connection_style: GASKET SEAL (BOSS) ALL ENDS, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-125-3073, 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
9-1862-4
NSN: 4820-00-125-3073
NIINs: 001253073, 001570171, 010143333, 010284482, 010523974, 010953176, 011961539, 012242931, 012493750, 012506448, 012975033, 014387570, 014794978
FSC: 4820 — Valves, Nonpowered
CAGE: 86768 — TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEAT
thread_class3B ALL ENDS
connection_typeTHREADED INTERNAL BOSS ALL ENDS
connection_styleGASKET SEAL (BOSS) ALL ENDS
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
mounting_positionHORIZONTAL
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_devicePOPPET
nominal_thread_size0.875 INCHES ALL ENDS IN
maximum_operating_temp200.0 FAHRENHEIT SINGLE RESPONSE DEGF
NSN4820-00-125-3073
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 9-1862-4 · 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
KEY FEATURES
•
FLOW CONTROL DEVICE: POPPET
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE
•
CONNECTION STYLE: GASKET SEAL (BOSS) FIRST END
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI 304/SAE 30304 ASSN STD 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES FIRST END IN
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
THREAD DIRECTION: RIGHT-HAND FIRST END
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE
CONNECTION STYLEGASKET SEAL (BOSS) FIRST END
STYLE DESIGNATORSTRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 304/SAE 30304 ASSN STD 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END IN
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD DIRECTIONRIGHT-HAND FIRST END
NOMINAL THREAD SIZE0.750 INCHES FIRST END IN
MAXIMUM OPERATING TEMP450.0 FAHRENHEIT SINGLE RESPONSE DEGF
SUBSTITUTES & CROSS-REFERENCES 1
493-8D1-2Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9-1862-4?
9-1862-4 is a VALVE,CHECK.
What parts can replace 9-1862-4?
There is 1 known substitute for 9-1862-4: 493-8D1-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 9-1862-4?
9-1862-4 is cataloged in the U.S. Government catalog under NSN 4820-00-125-3073. This indicates validated use in U.S. government and defense supply chains.
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