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0855101S0121 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

0855101S0121: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: BRONZE OVERALL, connection_type: FLANGE ALL ENDS, special_features: 1/2 INCH RELIEF VALVE IN, disk_loading_method: SPRING, valve_operation_method: AUTOMATIC OR MANUAL, adjustable_pressure_range: +121.0 TO 135.0 POUNDS PER SQUARE INCH LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-519-9130, 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
0855101S0121
NSN: 4820-01-519-9130
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialBRONZE OVERALL
connection_typeFLANGE ALL ENDS
special_features1/2 INCH RELIEF VALVE IN
disk_loading_methodSPRING
valve_operation_methodAUTOMATIC OR MANUAL
adjustable_pressure_range+121.0 TO 135.0 POUNDS PER SQUARE INCH LBS
NSN4820-01-519-9130
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 0855101S0121 · 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
•
CONNECTION TYPE: FLANGE ALL ENDS
•
ADJUSTABLE PRESSURE RANGE: +121.0 TO 135.0 POUNDS PER SQUARE INCH LBS
•
DISK LOADING METHOD: SPRING
•
MATERIAL: BRONZE OVERALL
•
VALVE OPERATION METHOD: AUTOMATIC OR MANUAL
TECHNICAL CHARACTERISTICS
CONNECTION TYPEFLANGE ALL ENDS
ADJUSTABLE PRESSURE RANGE+121.0 TO 135.0 POUNDS PER SQUARE INCH LBS
DISK LOADING METHODSPRING
SPECIAL FEATURES1/2 INCH RELIEF VALVE IN
MATERIALBRONZE OVERALL
VALVE OPERATION METHODAUTOMATIC OR MANUAL
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 2
E8551P41MSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
08551G01S0121Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 0855101S0121?
0855101S0121 is a VALVE,SAFETY RELIEF.
What parts can replace 0855101S0121?
There are 2 known substitutes for 0855101S0121: E8551P41M, 08551G01S0121. Substitute compatibility should be verified for your specific system.
What is the NSN for 0855101S0121?
0855101S0121 is cataloged in the U.S. Government catalog under NSN 4820-01-519-9130. 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.