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DFVS-40 — VALVE,FOOT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

DFVS-40: VALVE,FOOT.

The VALVE,FOOT is a the manufacturer industrial component. Key specifications include material: IRON SEAT, body_style: LOW OR MEDIUM PRESSURE (SCREWED), special_features: VALVE SIZE 4IN. IN, renewable_seat_ring_type: PRESSED-IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-124-9041, 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
DFVS-40
NSN: 4820-01-124-9041
FSC: 4820 — Valves, Nonpowered
CAGE: 72661 — DIXON VALVE & COUPLING COMPANY, LLC DIV DIXON FIRE (USA)
SPECIFICATIONS
materialIRON SEAT
body_styleLOW OR MEDIUM PRESSURE (SCREWED)
special_featuresVALVE SIZE 4IN. IN
end_connection_quantity2
renewable_seat_ring_typePRESSED-IN
NSN4820-01-124-9041
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: DFVS-40 · 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
•
RENEWABLE SEAT RING TYPE: PRESSED-IN
•
BODY STYLE: LOW OR MEDIUM PRESSURE (SCREWED)
•
END CONNECTION QUANTITY: 2
•
MATERIAL: IRON SEAT
TECHNICAL CHARACTERISTICS
RENEWABLE SEAT RING TYPEPRESSED-IN
BODY STYLELOW OR MEDIUM PRESSURE (SCREWED)
END CONNECTION QUANTITY2
SPECIAL FEATURESVALVE SIZE 4IN. IN
MATERIALIRON SEAT
MATERIALIRON CAST 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
540Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 DFVS-40?
DFVS-40 is a VALVE,FOOT.
What parts can replace DFVS-40?
There is 1 known substitute for DFVS-40: 540. Substitute compatibility should be verified for your specific system.
What is the NSN for DFVS-40?
DFVS-40 is cataloged in the U.S. Government catalog under NSN 4820-01-124-9041. This indicates validated use in U.S. government and defense supply chains.
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