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300LJG — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

300LJG: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL BODY, flange_shape: ROUND WITH HOLES SECOND END, connection_type: FLANGE SECOND END, style_designator: ANGLE FLANGED ENDS, flange_face_design: RAISED STRAIGHT FIRST END, flow_control_device: DISK. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-425-7861, 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
300LJG
NSN: 4820-01-425-7861
FSC: 4820 — Valves, Nonpowered
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialSTEEL BODY
flange_shapeROUND WITH HOLES SECOND END
connection_typeFLANGE SECOND END
style_designatorANGLE FLANGED ENDS
flange_face_designRAISED STRAIGHT FIRST END
flow_control_deviceDISK
material_document_and_classificationASTM A216 ASSN STD SINGLE MATERIAL RESPONSE BODY
first_connection_face_to_centerline_distance5.500 INCHES IN
second_connection_face_to_centerline_distance5.380 INCHES IN
NSN4820-01-425-7861
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 300LJG · 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: DISK
•
FLANGE SHAPE: ROUND WITH HOLES FIRST END
•
FLANGE FACE DESIGN: RAISED STRAIGHT FIRST END
•
CONNECTION TYPE: FLANGE SECOND END
•
STYLE DESIGNATOR: ANGLE FLANGED ENDS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
FLANGE SHAPEROUND WITH HOLES FIRST END
FLANGE SHAPEROUND WITH HOLES SECOND END
FLANGE FACE DESIGNRAISED STRAIGHT FIRST END
FLANGE FACE DESIGNPLAIN SECOND END
CONNECTION TYPEFLANGE SECOND END
CONNECTION TYPEFLANGE FIRST END
STYLE DESIGNATORANGLE FLANGED ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A216 ASSN STD SINGLE MATERIAL RESPONSE BODY
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
C11538-3Reference 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 300LJG?
300LJG is a VALVE,SAFETY RELIEF.
What parts can replace 300LJG?
There is 1 known substitute for 300LJG: C11538-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 300LJG?
300LJG is cataloged in the U.S. Government catalog under NSN 4820-01-425-7861. This indicates validated use in U.S. government and defense supply chains.
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