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1551AS830-1 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1551AS830-1: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 BODY, connection_type: THREADED EXTERNAL TUBE ALL ENDS, style_designator: ANGLE, operating_pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, disk_loading_method: SPRING, valve_operation_method: AUTOMATIC. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-299-8440, 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
1551AS830-1
NSN: 4820-01-299-8440
FSC: 4820 — Valves, Nonpowered
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 316 BODY
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
style_designatorANGLE
operating_pressure6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
valve_operation_methodAUTOMATIC
opening_pressure_setting3300.0 POUNDS PER SQUARE INCH LBS
adjustable_pressure_range+3000.0 TO 4000.0 POUNDS PER SQUARE INCH LBS
NSN4820-01-299-8440
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1551AS830-1 · 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: THREADED EXTERNAL TUBE ALL ENDS
•
STYLE DESIGNATOR: ANGLE
•
OPERATING PRESSURE: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
ADJUSTABLE PRESSURE RANGE: +3000.0 TO 4000.0 POUNDS PER SQUARE INCH LBS
•
DISK LOADING METHOD: SPRING
•
MATERIAL: STEEL COMP 316 BODY
•
OPENING PRESSURE SETTING: 3300.0 POUNDS PER SQUARE INCH LBS
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
STYLE DESIGNATORANGLE
OPERATING PRESSURE6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
ADJUSTABLE PRESSURE RANGE+3000.0 TO 4000.0 POUNDS PER SQUARE INCH LBS
DISK LOADING METHODSPRING
MATERIALSTEEL COMP 316 BODY
OPENING PRESSURE SETTING3300.0 POUNDS PER SQUARE INCH LBS
VALVE OPERATION METHODAUTOMATIC
SUBSTITUTES & CROSS-REFERENCES 4
SS-4R3AReference document
Same NSN cross-reference
Reference document — Secondary reference
1370J32Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
2999C03H04Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1551AS830Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 1551AS830-1?
1551AS830-1 is a VALVE,SAFETY RELIEF.
What parts can replace 1551AS830-1?
There are 4 known substitutes for 1551AS830-1: SS-4R3A, 1370J32, 2999C03H04 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1551AS830-1?
1551AS830-1 is cataloged in the U.S. Government catalog under NSN 4820-01-299-8440. This indicates validated use in U.S. government and defense supply chains.
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