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51207-D-380 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

51207-D-380: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 BODY, end_item_identification: VLV,GRN,W/IND 1/2IP, part_name_assigned_by_controlling_agency: SEAT,VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-731-0837, 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
51207-D-380
NSN: 4820-01-731-0837
FSC: 4820 — Valves, Nonpowered
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 BODY
end_item_identificationVLV,GRN,W/IND 1/2IP
part_name_assigned_by_controlling_agencySEAT,VALVE
NSN4820-01-731-0837
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 51207-D-380 · 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
•
MATERIAL: NICKEL ALLOY 400 BODY
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAT,VALVE
END ITEM IDENTIFICATIONVLV,GRN,W/IND 1/2IP
MATERIALNICKEL ALLOY 400 BODY
SUBSTITUTES & CROSS-REFERENCES 2
1146-A65AB 12 REV A,IT 5Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
1146-A65ABReference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 51207-D-380?
51207-D-380 is a SEAT,VALVE.
What parts can replace 51207-D-380?
There are 2 known substitutes for 51207-D-380: 1146-A65AB 12 REV A,IT 5, 1146-A65AB. Substitute compatibility should be verified for your specific system.
What is the NSN for 51207-D-380?
51207-D-380 is cataloged in the U.S. Government catalog under NSN 4820-01-731-0837. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.