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PartsTable / COMPONENT / NMP-1039
NMP-1039 ✓ 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,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING SEAT, valve_size: 1.500 INCHES IN, bonnet_type: OUTSIDE SCREW-YOKE, flange_shape: ROUND WITH HOLES ALL ENDS, overall_length: 6.000 INCHES NOMINAL IN, connection_type: FLANGE ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-285-0735, 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
NMP-1039
NSN: 4820-01-285-0735
FSC: 4820
CAGE: 75954 — KUNKLE INDUSTRIES INC LONERGAN VALVE DIV (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SEAT
valve_size1.500 INCHES IN
bonnet_typeOUTSIDE SCREW-YOKE
flange_shapeROUND WITH HOLES ALL ENDS
overall_length6.000 INCHES NOMINAL IN
connection_typeFLANGE ALL ENDS
bore_counterboreNOT INCLUDED
style_designatorANGLE FLANGED ENDS
nominal_thickness0.500 INCHES ALL ENDS IN
bolt_hole_quantity4 ALL ENDS
flange_face_designRAISED STRAIGHT ALL ENDS
flow_control_deviceDISK
NSN4820-01-285-0735
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NMP-1039 · 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
•
LARGEST OUTSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH6.000 INCHES NOMINAL IN
LARGEST OUTSIDE DIAMETER0.250 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
123405Interchangeable
interchangeable cross-reference
interchangeable
182615Interchangeable
interchangeable cross-reference
interchangeable
41071Interchangeable
interchangeable cross-reference
interchangeable
NMP-1039 PIECE 17AInterchangeable
interchangeable cross-reference
interchangeable
NMP-1039Interchangeable
interchangeable cross-reference
interchangeable
KTLN1039Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NMP-1039?
NMP-1039 is a VALVE,SAFETY RELIEF.
What parts can replace NMP-1039?
There are 12 known substitutes for NMP-1039: 123405, 182615, 41071 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NMP-1039?
NMP-1039 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-285-0735. 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