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B501409 — VALVE,RELIEF,PRESSURE AND TEMPER

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B501409: VALVE,RELIEF,PRESSURE AND TEMPER.

VALVE,RELIEF,PRESSURE AND TEMPER. Key specifications include temp_adjustability: NOT ADJUSTABLE, opening_pressure_setting: ERR-060. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-216-7927, 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
B501409
NSN: 4820-01-216-7927
FSC: 4820 — Valves, Nonpowered
CAGE: K0378 — ROLLS-ROYCE PLC DIV DEFENSE (EUROPE) (GBR)
SPECIFICATIONS
temp_adjustabilityNOT ADJUSTABLE
opening_pressure_settingERR-060
NSN4820-01-216-7927
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B501409 · 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
•
OPENING PRESSURE SETTING: ERR-060
•
TEMP ADJUSTABILITY: NOT ADJUSTABLE
TECHNICAL CHARACTERISTICS
OPENING PRESSURE SETTINGERR-060
TEMP ADJUSTABILITYNOT ADJUSTABLE
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 B501409?
B501409 is a VALVE,RELIEF,PRESSURE AND TEMPER.
What is the NSN for B501409?
B501409 is cataloged in the U.S. Government catalog under NSN 4820-01-216-7927. 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.