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VA5142 — VALVE,EMERGENCY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

VA5142: VALVE,EMERGENCY.

The VALVE,EMERGENCY is a the manufacturer industrial component. Key specifications include overall_width: 11.625 INCHES NOMINAL IN, overall_height: 13.312 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: 5" X 4" EMERGENCY VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-559-8501, 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
VA5142
NSN: 4820-01-559-8501
FSC: 4820 — Valves, Nonpowered
CAGE: 1UYK1 — CIVACON (USA)
SPECIFICATIONS
overall_width11.625 INCHES NOMINAL IN
overall_height13.312 INCHES NOMINAL IN
part_name_assigned_by_controlling_agency5" X 4" EMERGENCY VALVE
NSN4820-01-559-8501
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: VA5142 · 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
•
ACCESSORY COMPONENTS AND QUANTITY: CYLINDER BODY 1; CYLINDER DISK 1;STEM 1; PISTON 1; HEX CAP SCREW 4; CAP1; O-RING 5; SEAL WASHER 1; VALVE BODY1; U-CUP SEAL 3; HEX JAM NUT 1; LOCK WASHER 5; SPRING 2; SEAL SCREW 1; SCREW1; FLUSHING PLUG 1; QUICK EXHAUST ASSEMBLY 1
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT13.312 INCHES NOMINAL IN
OVERALL WIDTH11.625 INCHES NOMINAL IN
ACCESSORY COMPONENTS AND QUANTITYCYLINDER BODY 1; CYLINDER DISK 1;STEM 1; PISTON 1; HEX CAP SCREW 4; CAP1; O-RING 5; SEAL WASHER 1; VALVE BODY1; U-CUP SEAL 3; HEX JAM NUT 1; LOCK WASHER 5; SPRING 2; SEAL SCREW 1; SCREW1; FLUSHING PLUG 1; QUICK EXHAUST ASSEMBLY 1
PART NAME ASSIGNED BY CONTROLLING AGENCY5" X 4" EMERGENCY VALVE
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is VA5142?
VA5142 is a VALVE,EMERGENCY.
What is the NSN for VA5142?
VA5142 is cataloged in the U.S. Government catalog under NSN 4820-01-559-8501. 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.