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8077201 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8077201: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL FLOW CONTROL DEVICE, bonnet_type: INSIDE SCREW, flange_shape: RECTANGULAR WITH HOLES FIRST END, nominal_width: 4.250 INCHES FIRST END IN, nominal_length: 4.250 INCHES FIRST END IN, connection_type: FLANGE FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-447-9787, 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
8077201
NSN: 4820-00-447-9787
FSC: 4820 — Valves, Nonpowered
CAGE: 39VG9 — PROGRESS RAIL LOCOMOTIVE INC. DBA PROGRESS RAIL SWITCHING SERVICES LLC (USA)
SPECIFICATIONS
materialSTEEL FLOW CONTROL DEVICE
bonnet_typeINSIDE SCREW
flange_shapeRECTANGULAR WITH HOLES FIRST END
nominal_width4.250 INCHES FIRST END IN
nominal_length4.250 INCHES FIRST END IN
connection_typeFLANGE FIRST END
style_designatorANGLE
nominal_thickness2.562 INCHES FIRST END IN
bolt_hole_quantity4 FIRST END
flange_face_designPLAIN FIRST END
disk_loading_methodSPRING
flow_control_deviceDISK
NSN4820-00-447-9787
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8077201 · 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: RECTANGULAR WITH HOLES FIRST END
•
RENEWABLE SEAT RING TYPE: THREADED
•
FLANGE FACE DESIGN: PLAIN FIRST END
•
NOMINAL LENGTH: 4.250 INCHES FIRST END IN
•
CONNECTION TYPE: FLANGE FIRST END
•
STYLE DESIGNATOR: ANGLE
•
BOLT HOLE NOMINAL DIAMETER: 0.562 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
FLANGE SHAPERECTANGULAR WITH HOLES FIRST END
RENEWABLE SEAT RING TYPETHREADED
FLANGE FACE DESIGNPLAIN FIRST END
NOMINAL LENGTH4.250 INCHES FIRST END IN
CONNECTION TYPEFLANGE FIRST END
STYLE DESIGNATORANGLE
BOLT HOLE NOMINAL DIAMETER0.562 INCHES FIRST END IN
BONNET TYPEINSIDE SCREW
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH3.000 INCHES ALL ENDS IN
SUBSTITUTES & CROSS-REFERENCES 4
8075306PC8069308Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
8069308Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
8075305PC8069308Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
8075307PC8069308Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 8077201?
8077201 is a VALVE,SAFETY RELIEF.
What parts can replace 8077201?
There are 4 known substitutes for 8077201: 8075306PC8069308, 8069308, 8075305PC8069308 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8077201?
8077201 is cataloged in the U.S. Government catalog under NSN 4820-00-447-9787. This indicates validated use in U.S. government and defense supply chains.
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