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311750 — DIAPHRAGM,ACTUATOR VALVE,SPECIAL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

311750: DIAPHRAGM,ACTUATOR VALVE,SPECIAL.

DIAPHRAGM,ACTUATOR VALVE,SPECIAL. Key specifications include material: RUBBER SYNTHETIC, overall_height: 1.280 INCHES NOMINAL IN, outside_diameter: 7.312 INCHES NOMINAL IN, style_designator: SPECIAL SHAPED, material_thickness: 0.060 INCHES NOMINAL IN, taper_major_diameter: 6.562 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4810-00-418-4874, 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
311750
NSN: 4810-00-418-4874
FSC: 4810 — Valves, Powered
CAGE: 08987 — HONEYWELL INC PROCESS CONTROL DIV (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
overall_height1.280 INCHES NOMINAL IN
outside_diameter7.312 INCHES NOMINAL IN
style_designatorSPECIAL SHAPED
material_thickness0.060 INCHES NOMINAL IN
taper_major_diameter6.562 INCHES NOMINAL IN
taper_minor_diameter6.188 INCHES NOMINAL IN
NSN4810-00-418-4874
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 311750 · 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
•
OUTSIDE DIAMETER: 7.312 INCHES NOMINAL IN
•
TAPER MINOR DIAMETER: 6.188 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SPECIAL SHAPED
•
TAPER MAJOR DIAMETER: 6.562 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.060 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.280 INCHES NOMINAL IN
OUTSIDE DIAMETER7.312 INCHES NOMINAL IN
TAPER MINOR DIAMETER6.188 INCHES NOMINAL IN
STYLE DESIGNATORSPECIAL SHAPED
TAPER MAJOR DIAMETER6.562 INCHES NOMINAL IN
MATERIAL THICKNESS0.060 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
OTHER ITEMS IN FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 311750?
311750 is a DIAPHRAGM,ACTUATOR VALVE,SPECIAL.
What is the NSN for 311750?
311750 is cataloged in the U.S. Government catalog under NSN 4810-00-418-4874. 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.