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4VMU1 — VALVE,STOP-CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4VMU1: VALVE,STOP-CHECK.

The VALVE,STOP-CHECK is a the manufacturer industrial component. Key specifications include material: STEEL BODY, nominal_width: 2.76 INCHES ALL ENDS IN, nominal_length: 2.36 INCHES ALL ENDS IN, special_features: OVERSEAS MRC 19.05MM MM, mounting_position: HORIZONTAL, operating_pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-640-8165, 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
4VMU1
NSN: 4820-01-640-8165
FSC: 4820 — Valves, Nonpowered
CAGE: 25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)
SPECIFICATIONS
materialSTEEL BODY
nominal_width2.76 INCHES ALL ENDS IN
nominal_length2.36 INCHES ALL ENDS IN
special_featuresOVERSEAS MRC 19.05MM MM
mounting_positionHORIZONTAL
operating_pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
maximum_operating_temp353.0 FAHRENHEIT SINGLE RESPONSE DEGF
part_name_assigned_by_controlling_agencyVALVE, STOP CHECKS, SS TYPE 316, 3/4"
NSN4820-01-640-8165
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4VMU1 · 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
•
NOMINAL LENGTH: 2.36 INCHES ALL ENDS IN
•
MOUNTING POSITION: HORIZONTAL
•
OPERATING PRESSURE: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
MAXIMUM OPERATING TEMP: 353.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
NOMINAL WIDTH: 2.76 INCHES ALL ENDS IN
•
MATERIAL: STEEL BODY
TECHNICAL CHARACTERISTICS
NOMINAL LENGTH2.36 INCHES ALL ENDS IN
MOUNTING POSITIONHORIZONTAL
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MAXIMUM OPERATING TEMP353.0 FAHRENHEIT SINGLE RESPONSE DEGF
SPECIAL FEATURESOVERSEAS MRC 19.05MM MM
NOMINAL WIDTH2.76 INCHES ALL ENDS IN
PART NAME ASSIGNED BY CONTROLLING AGENCYVALVE, STOP CHECKS, SS TYPE 316, 3/4"
MATERIALSTEEL BODY
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 4VMU1?
4VMU1 is a VALVE,STOP-CHECK.
What is the NSN for 4VMU1?
4VMU1 is cataloged in the U.S. Government catalog under NSN 4820-01-640-8165. 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.