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Technical Data Sheet
PartsTable / COMPONENT / 76191
76191 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The COUPLING,SHAFT,FLEXIBLE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, overall_height: 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN, hardness_rating: 42.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL, style_designator: PLAIN, seat_angle_in_deg: 45.000 NOMINAL, body_inside_diameter: 0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-631-6494, 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
76191
NSN: 4820-00-631-6494
FSC: 4820
CAGE: 99193 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - PHOENIX (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
overall_height0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
hardness_rating42.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
style_designatorPLAIN
seat_angle_in_deg45.000 NOMINAL
body_inside_diameter0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
body_outside_diameter0.397 INCHES MINIMUM AND 0.417 INCHES MAXIMUM IN
seating_surface_shapeANGULAR
NSN4820-00-631-6494
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 76191 · 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 INSIDE DIAMETER: 0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
•
SEATING SURFACE SHAPE: ANGULAR
•
HARDNESS RATING: 42.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
STYLE DESIGNATOR: PLAIN
•
BODY OUTSIDE DIAMETER: 0.397 INCHES MINIMUM AND 0.417 INCHES MAXIMUM IN
•
SEAT ANGLE IN DEG: 45.000 NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
SEATING SURFACE SHAPEANGULAR
HARDNESS RATING42.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
STYLE DESIGNATORPLAIN
OVERALL HEIGHT0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.397 INCHES MINIMUM AND 0.417 INCHES MAXIMUM IN
SEAT ANGLE IN DEG45.000 NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
50-1SInterchangeable
interchangeable cross-reference
interchangeable
76191Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 76191?
76191 is a COUPLING,SHAFT,FLEXIBLE.
What parts can replace 76191?
There are 2 known substitutes for 76191: 50-1S, 76191. Substitute compatibility should be verified for your specific system.
What is the NSN for 76191?
76191 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-631-6494. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026