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2478.486 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2478.486: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 BODY, connection_type: THREADED INTERNAL PIPE SECOND END, connection_style: PLAIN,OPTIONAL END(PIPE) SECOND END, style_designator: ANGLE, thread_direction: RIGHT-HAND ALL ENDS, flow_control_device: POPPET. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-407-7522, 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
2478.486
NSN: 4820-01-407-7522
FSC: 4820 — Valves, Nonpowered
CAGE: 38728 — BRONSWERK MARINE INC (CAN)
SPECIFICATIONS
materialSTEEL COMP 316 BODY
connection_typeTHREADED INTERNAL PIPE SECOND END
connection_stylePLAIN,OPTIONAL END(PIPE) SECOND END
style_designatorANGLE
thread_directionRIGHT-HAND ALL ENDS
flow_control_devicePOPPET
nominal_thread_size0.250 INCHES ALL ENDS IN
maximum_operating_temp400.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAIR
end_item_identification4920-01-310-2874
thread_series_designatorNPT ALL ENDS
adjustable_pressure_range+10.0 TO 225.0 POUNDS PER SQUARE INCH LBS
NSN4820-01-407-7522
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2478.486 · 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
•
FLOW CONTROL DEVICE: POPPET
•
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) SECOND END
•
CONNECTION TYPE: THREADED INTERNAL PIPE SECOND END
•
STYLE DESIGNATOR: ANGLE
•
ADJUSTABLE PRESSURE RANGE: +10.0 TO 225.0 POUNDS PER SQUARE INCH LBS
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) SECOND END
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
STYLE DESIGNATORANGLE
ADJUSTABLE PRESSURE RANGE+10.0 TO 225.0 POUNDS PER SQUARE INCH LBS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
MAXIMUM OPERATING TEMP400.0 FAHRENHEIT SINGLE RESPONSE DEGF
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 1
SS-RL3M4-F4Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2478.486?
2478.486 is a VALVE,SAFETY RELIEF.
What parts can replace 2478.486?
There is 1 known substitute for 2478.486: SS-RL3M4-F4. Substitute compatibility should be verified for your specific system.
What is the NSN for 2478.486?
2478.486 is cataloged in the U.S. Government catalog under NSN 4820-01-407-7522. This indicates validated use in U.S. government and defense supply chains.
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