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2EH751 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2EH751: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT, seat_radius: 0.187 INCHES NOMINAL IN, overall_height: 0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, special_features: 1ST SEAT DEPTH 0.060 IN. 2ND SEAT DEPTH 0.125 IN.

IN, style_designator: PLAIN, body_inside_diameter: 0.620 INCHES NOMINAL IN. This part is cataloged in the U.S. Government catalog under NSN 4820-00-126-8544, 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
2EH751
NSN: 4820-00-126-8544
FSC: 4820 — Valves, Nonpowered
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE SEAT
seat_radius0.187 INCHES NOMINAL IN
overall_height0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
special_features1ST SEAT DEPTH 0.060 IN. 2ND SEAT DEPTH 0.125 IN. IN
style_designatorPLAIN
body_inside_diameter0.620 INCHES NOMINAL IN
body_outside_diameter1.050 INCHES NOMINAL IN
seating_surface_shapeRADIAL
NSN4820-00-126-8544
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2EH751 · 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
•
BODY OUTSIDE DIAMETER: 1.050 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 0.620 INCHES NOMINAL IN
•
SEAT RADIUS: 0.187 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE SEAT
•
SEATING SURFACE SHAPE: RADIAL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER1.050 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
BODY INSIDE DIAMETER0.620 INCHES NOMINAL IN
SEAT RADIUS0.187 INCHES NOMINAL IN
SPECIAL FEATURES1ST SEAT DEPTH 0.060 IN. 2ND SEAT DEPTH 0.125 IN. IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEAT
SEATING SURFACE SHAPERADIAL
SUBSTITUTES & CROSS-REFERENCES 2
SP-12-8BReference document
Same NSN cross-reference
Reference document — Design control — primary reference
SPB-32-S2 ITH .Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2EH751?
2EH751 is a SEAT,VALVE.
What parts can replace 2EH751?
There are 2 known substitutes for 2EH751: SP-12-8B, SPB-32-S2 ITH .. Substitute compatibility should be verified for your specific system.
What is the NSN for 2EH751?
2EH751 is cataloged in the U.S. Government catalog under NSN 4820-00-126-8544. 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.