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276-0140-00 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

276-0140-00: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL BODY, overall_height: 0.500 INCHES NOMINAL IN, style_designator: PLAIN, seat_angle_in_deg: 0.750 NOMINAL, body_inside_diameter: 2.125 INCHES NOMINAL IN, body_outside_diameter: 2.734 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-902-4772, 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
276-0140-00
NSN: 4820-00-902-4772
FSC: 4820 — Valves, Nonpowered
CAGE: 26840 — HALE PRODUCTS, INC. (USA)
SPECIFICATIONS
materialSTEEL BODY
overall_height0.500 INCHES NOMINAL IN
style_designatorPLAIN
seat_angle_in_deg0.750 NOMINAL
body_inside_diameter2.125 INCHES NOMINAL IN
body_outside_diameter2.734 INCHES NOMINAL IN
seating_surface_shapeANGULAR
NSN4820-00-902-4772
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 276-0140-00 · 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: 2.734 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 2.125 INCHES NOMINAL IN
•
MATERIAL: STEEL BODY
•
SEAT ANGLE IN DEG: 0.750 NOMINAL
•
SEATING SURFACE SHAPE: ANGULAR
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.500 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER2.734 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
BODY INSIDE DIAMETER2.125 INCHES NOMINAL IN
MATERIALSTEEL BODY
SEAT ANGLE IN DEG0.750 NOMINAL
SEATING SURFACE SHAPEANGULAR
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
GS724Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 276-0140-00?
276-0140-00 is a SEAT,VALVE.
What parts can replace 276-0140-00?
There is 1 known substitute for 276-0140-00: GS724. Substitute compatibility should be verified for your specific system.
What is the NSN for 276-0140-00?
276-0140-00 is cataloged in the U.S. Government catalog under NSN 4820-00-902-4772. 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.