PartsTable
Technical Data Sheet
Download PDF

55750C311 — OPERATOR,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

55750C311: OPERATOR,VALVE.

The OPERATOR,VALVE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4810-01-207-1128, 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
55750C311
NSN: 4810-01-207-1128
FSC: 4810 — Valves, Powered
CAGE: 91363 — NORRISEAL NORRIS VALUES DIV DBA DOVER CO (USA)
SPECIFICATIONS
general_characteristics_item_descriptionMANUAL OPERATION; CAST ALUMINUM CASE,ANODIZED; BRONZE SECTOR GEAR; 90 DEG ROTATION COUNTER CLOCKWISE; 6.000 IN. LG; 5.500 IN. W; 3.334 IN. H IN
NSN4810-01-207-1128
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 55750C311 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: MANUAL OPERATION; CAST ALUMINUM CASE,ANODIZED; BRONZE SECTOR GEAR; 90 DEG ROTATION COUNTER CLOCKWISE; 6.000 IN. LG; 5.500 IN. W; 3.334 IN. H IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMANUAL OPERATION; CAST ALUMINUM CASE,ANODIZED; BRONZE SECTOR GEAR; 90 DEG ROTATION COUNTER CLOCKWISE; 6.000 IN. LG; 5.500 IN. W; 3.334 IN. H IN
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
Ready to buy 55750C311?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 55750C311?
55750C311 is a OPERATOR,VALVE.
What is the NSN for 55750C311?
55750C311 is cataloged in the U.S. Government catalog under NSN 4810-01-207-1128. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 55750C311

✓ 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.