PartsTable
Technical Data Sheet
QPL-81940 ✓ 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 VALVE,BLEEDER,HYDRAULIC SYSTEM is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY BODY, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL BOSS FIRST END, connection_style: PLAIN (TUBE) SECOND END, style_designator: ANGLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-104-5169, 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
QPL-81940
NSN: 4820-01-104-5169
FSC: 4820
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialALUMINUM ALLOY BODY
seat_angle37.0 DEGREES FIRST END
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL BOSS FIRST END
connection_stylePLAIN (TUBE) SECOND END
style_designatorANGLE
thread_directionRIGHT-HAND ALL ENDS
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_devicePOPPET
nominal_thread_size0.312 INCHES SECOND END IN
maximum_operating_temp275.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodMANUAL
NSN4820-01-104-5169
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: QPL-81940 · 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
VALVE OPERATION METHOD: MANUAL
FLOW CONTROL DEVICE: POPPET
CONNECTION STYLE: PLAIN (TUBE) SECOND END
MAXIMUM OPERATING TEMP: 275.0 FAHRENHEIT SINGLE RESPONSE DEGF
NOMINAL THREAD SIZE: 0.312 INCHES SECOND END IN
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT (UNJ) FIRST END
MATERIAL: ALUMINUM ALLOY BODY
MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
VALVE OPERATION METHODMANUAL
FLOW CONTROL DEVICEPOPPET
CONNECTION STYLEPLAIN (TUBE) SECOND END
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SINGLE RESPONSE DEGF
NOMINAL THREAD SIZE0.312 INCHES SECOND END IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ) FIRST END
MATERIALALUMINUM ALLOY BODY
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE
NOMINAL THREAD SIZE0.438 INCHES FIRST END IN
SEAT ANGLE37.0 DEGREES FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
P1-5-500Interchangeable
interchangeable cross-reference
interchangeable
P14-500 1-4INInterchangeable
interchangeable cross-reference
interchangeable
P14-500Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-81940/1Interchangeable
interchangeable cross-reference
interchangeable
FD15-1000-04Interchangeable
interchangeable cross-reference
interchangeable
M81940/2-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy QPL-81940?
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 QPL-81940?
QPL-81940 is a VALVE,BLEEDER,HYDRAULIC SYSTEM.
What parts can replace QPL-81940?
There are 14 known substitutes for QPL-81940: P1-5-500, P14-500 1-4IN, P14-500 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for QPL-81940?
QPL-81940 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-104-5169. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — QPL-81940