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1819929 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1819929: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, thread_class: 2A FIRST END A, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND FIRST END, features_provided: VALVE STEM LOCK SHIELD. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-079-6398, 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
1819929
NSN: 4820-00-079-6398
FSC: 4820 — Valves, Nonpowered
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
thread_class2A FIRST END A
connection_styleEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND FIRST END
features_providedVALVE STEM LOCK SHIELD
surface_treatmentANODIZE LOCATION NOT OTHERWISE SPECIFIED
disk_loading_methodSPRING
flow_control_devicePOPPET
nominal_thread_size2.000 INCHES FIRST END IN
valve_operation_methodAUTOMATIC
opening_pressure_setting1.0 POUNDS PER SQUARE INCH LBS
NSN4820-00-079-6398
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1819929 · 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: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
•
STYLE DESIGNATOR: STRAIGHT THRU
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.500 INCHES FIRST END IN
•
FEATURES PROVIDED: VALVE STEM LOCK SHIELD
•
THREAD DIRECTION: RIGHT-HAND FIRST END
•
NOMINAL THREAD SIZE: 2.000 INCHES FIRST END IN
•
DISK LOADING METHOD: SPRING
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
STYLE DESIGNATORSTRAIGHT THRU
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.500 INCHES FIRST END IN
FEATURES PROVIDEDVALVE STEM LOCK SHIELD
THREAD DIRECTIONRIGHT-HAND FIRST END
NOMINAL THREAD SIZE2.000 INCHES FIRST END IN
DISK LOADING METHODSPRING
SURFACE TREATMENTANODIZE LOCATION NOT OTHERWISE SPECIFIED
THREAD CLASS2A FIRST END A
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1819929?
1819929 is a VALVE,SAFETY RELIEF.
What is the NSN for 1819929?
1819929 is cataloged in the U.S. Government catalog under NSN 4820-00-079-6398. This indicates validated use in U.S. government and defense supply chains.
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