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D4000FF — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

D4000FF: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT, valve_size: 2.500 INCHES IN, bonnet_type: OUTSIDE SCREW-YOKE, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: SOCKET WITH BRAZING RING (TUBE) ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-486-4802, 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
D4000FF
NSN: 4820-01-486-4802
NIINs: 014864802, 014914637, 015004852, 015038973, 015062288, 015125967, 015229578, 015237259, 015253868, 015384835
FSC: 4820 — Valves, Nonpowered
CAGE: 65079 — DANCO VALVE COMPANY (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE SEAT
valve_size2.500 INCHES IN
bonnet_typeOUTSIDE SCREW-YOKE
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_styleSOCKET WITH BRAZING RING (TUBE) ALL ENDS
style_designatorANGLE
features_providedMANUAL OVERRIDE AND PRESSURE TIGHT OUTLET SIDE
mounting_facilityBRACKET(S)
bolt_hole_quantity4 FIRST END
flange_face_designPLAIN ALL ENDS
operating_pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NSN4820-01-486-4802
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D4000FF · 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
SUBSTITUTES & CROSS-REFERENCES 2
D4000FF ITEM 25Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
B4024Reference 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 D4000FF?
D4000FF is a VALVE,SAFETY RELIEF.
What parts can replace D4000FF?
There are 2 known substitutes for D4000FF: D4000FF ITEM 25, B4024. Substitute compatibility should be verified for your specific system.
What is the NSN for D4000FF?
D4000FF is cataloged in the U.S. Government catalog under NSN 4820-01-486-4802. This indicates validated use in U.S. government and defense supply chains.
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