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VWW867 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

VWW867: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 414 OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.750 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 5.187 INCHES NOMINAL IN, nominal_thread_size: 5.187 INCHES SINGLE THREADED PORTION IN, under_flange_height: 1.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-620-8515, 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
VWW867
NSN: 4820-00-620-8515
FSC: 4820 — Valves, Nonpowered
CAGE: 38056 — ASHCROFT INC DBA HEISE (USA)
SPECIFICATIONS
materialSTEEL COMP 414 OVERALL
thread_class2A SINGLE THREADED PORTION A
thread_length0.750 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter5.187 INCHES NOMINAL IN
nominal_thread_size5.187 INCHES SINGLE THREADED PORTION IN
under_flange_height1.750 INCHES NOMINAL IN
body_inside_diameter4.375 INCHES NOMINAL IN
seating_surface_shapeFLAT
thread_quantity_per_inch18 SINGLE THREADED PORTION
thread_series_designatorUNS SINGLE THREADED PORTION
NSN4820-00-620-8515
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: VWW867 · 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
•
FLANGE DIAMETER: 5.187 INCHES NOMINAL IN
•
THREAD LENGTH: 0.750 INCHES NOMINAL SINGLE THREADED PORTION IN
•
BODY INSIDE DIAMETER: 4.375 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 5.187 INCHES SINGLE THREADED PORTION IN
•
UNDER FLANGE HEIGHT: 1.750 INCHES NOMINAL IN
•
THREAD CLASS: 2A SINGLE THREADED PORTION A
•
THREAD QUANTITY PER INCH: 18 SINGLE THREADED PORTION
•
MATERIAL: STEEL COMP 414 OVERALL
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER5.187 INCHES NOMINAL IN
THREAD LENGTH0.750 INCHES NOMINAL SINGLE THREADED PORTION IN
BODY INSIDE DIAMETER4.375 INCHES NOMINAL IN
NOMINAL THREAD SIZE5.187 INCHES SINGLE THREADED PORTION IN
UNDER FLANGE HEIGHT1.750 INCHES NOMINAL IN
THREAD CLASS2A SINGLE THREADED PORTION A
THREAD QUANTITY PER INCH18 SINGLE THREADED PORTION
MATERIALSTEEL COMP 414 OVERALL
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
SEATING SURFACE SHAPEFLAT
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
5VRW72PC4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is VWW867?
VWW867 is a SEAT,VALVE.
What parts can replace VWW867?
There is 1 known substitute for VWW867: 5VRW72PC4. Substitute compatibility should be verified for your specific system.
What is the NSN for VWW867?
VWW867 is cataloged in the U.S. Government catalog under NSN 4820-00-620-8515. 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.