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Technical Data Sheet
PartsTable / MRO / 45-761
45-761 ✓ Verified by PartsTable
Lindy · MRO · MRO_GENERAL
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 GENERATOR,ENGINE ACCESSORY is a Lindy industrial component. Key specifications include jaw_type: V-SHAPE, material: PLASTIC CASE, body_style: MULTIPOLE-SINGLE ACTUATOR TYPE, body_width: 4.125 INCHES NOMINAL IN, valve_size: 1.250 INCHES IN, body_height: 3.875 INCHES NOMINAL 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 4810-00-507-7740, 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
MRO→ MRO_GENERAL→ 45-761
NSN: 4810-00-507-7740
FSC: 4810
CAGE: 86184 — GRISWOLD INDUSTRIES DBA CLA-VAL CO (USA)
SPECIFICATIONS
jaw_typeV-SHAPE
materialPLASTIC CASE
body_styleMULTIPOLE-SINGLE ACTUATOR TYPE
body_width4.125 INCHES NOMINAL IN
valve_size1.250 INCHES IN
body_height3.875 INCHES NOMINAL IN
body_length6.500 INCHES NOMINAL IN
bonnet_typeINSIDE SPRING
boss_height0.187 INCHES NOMINAL IN
flange_shapeROUND WITH HOLES ALL ENDS
keyway_width0.125 INCHES NOMINAL IN
reset_methodMANUAL
NSN4810-00-507-7740
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 45-761 · Lindy ⚠ 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
•
MEDIA FOR WHICH DESIGNED: WATER, SALT SINGLE RESPONSE
•
FLANGE FACE DESIGN: PLAIN ALL ENDS
•
NOMINAL OUTSIDE DIAMETER: 4.500 INCHES ALL ENDS IN
•
OPERATING PRESSURE: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
VALVE SIZE: 1.250 INCHES IN
•
BOLT HOLE NOMINAL DIAMETER: 0.562 INCHES ALL ENDS IN
•
SPECIFICATION/STANDARD DATA: 81349-MIL-V-17501 GOVERNMENT SPECIFICATION
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDWATER, SALT SINGLE RESPONSE
FLANGE FACE DESIGNPLAIN ALL ENDS
NOMINAL OUTSIDE DIAMETER4.500 INCHES ALL ENDS IN
OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VALVE SIZE1.250 INCHES IN
BOLT HOLE NOMINAL DIAMETER0.562 INCHES ALL ENDS IN
SPECIFICATION/STANDARD DATA81349-MIL-V-17501 GOVERNMENT SPECIFICATION
OPERATING PRESSURE40.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM POWER DRIVE LBS
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 2 CLASS AND 1 1/4IN. SIZE IN
FACE TO FACE DISTANCE8.750 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
45763AInterchangeable
interchangeable cross-reference
interchangeable
442-M 3 1/2 INInterchangeable
interchangeable cross-reference
interchangeable
442M-3.50IN-PL4Interchangeable
interchangeable cross-reference
interchangeable
MIL-V-17501Interchangeable
interchangeable cross-reference
interchangeable
45228Interchangeable
interchangeable cross-reference
interchangeable
62721GInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 45-761?
45-761 is a GENERATOR,ENGINE ACCESSORY manufactured by Lindy. It is classified as a MRO (MRO_GENERAL).
What parts can replace 45-761?
There are 25 known substitutes for 45-761: 45763A, 442-M 3 1/2 IN, 442M-3.50IN-PL4 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 45-761?
45-761 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-507-7740. 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