PartsTable
Technical Data Sheet
PartsTable / COMPONENT / NMP-176 PC NO 18M
NMP-176 PC NO 18M ✓ 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 DISK,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400, temp_rating: 425.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 2B, shoulder_width: 1.706 INCHES NOMINAL IN, pressure_rating: 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS, outside_diameter: 5.382 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 4820-01-514-1699, 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-176 PC NO 18M
NSN: 4820-01-514-1699
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400
temp_rating425.0 FAHRENHEIT MAXIMUM DEGF
thread_class2B
shoulder_width1.706 INCHES NOMINAL IN
pressure_rating100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
outside_diameter5.382 INCHES NOMINAL IN
style_designatorPLUG
nominal_thread_size1.250 INCHES IN
end_item_identification4820-01-514-1698 SAFETY RELIEF VALVE
media_for_which_designedWATER, SALT
thread_quantity_per_inch18
thread_series_designatorUNEF
NSN4820-01-514-1699
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NMP-176 PC NO 18M · 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
•
STYLE DESIGNATOR: PLUG
•
THREAD SERIES DESIGNATOR: UNEF
•
TEMP RATING: 425.0 FAHRENHEIT MAXIMUM DEGF
•
OUTSIDE DIAMETER: 5.382 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 1.250 INCHES IN
•
THREAD QUANTITY PER INCH: 18
•
MEDIA FOR WHICH DESIGNED: WATER, SALT
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORPLUG
THREAD SERIES DESIGNATORUNEF
TEMP RATING425.0 FAHRENHEIT MAXIMUM DEGF
OUTSIDE DIAMETER5.382 INCHES NOMINAL IN
NOMINAL THREAD SIZE1.250 INCHES IN
THREAD QUANTITY PER INCH18
MEDIA FOR WHICH DESIGNEDWATER, SALT
END ITEM IDENTIFICATION4820-01-514-1698 SAFETY RELIEF VALVE
MATERIALNICKEL ALLOY 400
SHOULDER WIDTH1.706 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
FLAF54Interchangeable
interchangeable cross-reference
interchangeable
JHPInterchangeable
interchangeable cross-reference
interchangeable
AF 54Interchangeable
interchangeable cross-reference
interchangeable
WK6-21C3-8Interchangeable
interchangeable cross-reference
interchangeable
18550Interchangeable
interchangeable cross-reference
interchangeable
8899533Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy NMP-176 PC NO 18M?
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 NMP-176 PC NO 18M?
NMP-176 PC NO 18M is a DISK,VALVE.
What parts can replace NMP-176 PC NO 18M?
There are 13 known substitutes for NMP-176 PC NO 18M: FLAF54, JHP, AF 54 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NMP-176 PC NO 18M?
NMP-176 PC NO 18M is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-514-1699. 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 — NMP-176 PC NO 18M

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026