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U542523 — CAP,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

U542523: CAP,VALVE.

The CAP,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, overall_length: 0.806 INCHES MINIMUM AND 0.846 INCHES MAXIMUM IN, outside_diameter: 0.950 INCHES NOMINAL IN, surface_treatment: PASSIVATE, valve_type_for_which_designed: RELIEF. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-435-4029, 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
U542523
NSN: 4820-01-435-4029
FSC: 4820 — Valves, Nonpowered
CAGE: 78943 — TRIUMPH THERMAL SYSTEMS, LLC (USA)
SPECIFICATIONS
materialSTEEL
overall_length0.806 INCHES MINIMUM AND 0.846 INCHES MAXIMUM IN
outside_diameter0.950 INCHES NOMINAL IN
surface_treatmentPASSIVATE
valve_type_for_which_designedRELIEF
NSN4820-01-435-4029
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: U542523 · 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
•
VALVE TYPE FOR WHICH DESIGNED: RELIEF
•
OUTSIDE DIAMETER: 0.950 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDRELIEF
OVERALL LENGTH0.806 INCHES MINIMUM AND 0.846 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.950 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE
MATERIALSTEEL
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 U542523?
U542523 is a CAP,VALVE.
What is the NSN for U542523?
U542523 is cataloged in the U.S. Government catalog under NSN 4820-01-435-4029. 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.