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NMP-1123 PIECE 18 — GUIDE,VALVE STEM

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

NMP-1123 PIECE 18: GUIDE,VALVE STEM.

The GUIDE,VALVE STEM is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, bore_diameter: 0.0344 INCHES NOMINAL IN, bore_counterbore: NOT INCLUDED, bore_countersink: INCLUDED, style_designator: PLAIN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-287-4178, 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-1123 PIECE 18
NSN: 4820-01-287-4178
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
bore_diameter0.0344 INCHES NOMINAL IN
bore_counterboreNOT INCLUDED
bore_countersinkINCLUDED
style_designatorPLAIN
NSN4820-01-287-4178
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NMP-1123 PIECE 18 · 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: PLAIN
•
BORE COUNTERBORE: NOT INCLUDED
•
BORE DIAMETER: 0.0344 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
•
BORE COUNTERSINK: INCLUDED
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORPLAIN
BORE COUNTERBORENOT INCLUDED
BORE DIAMETER0.0344 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
BORE COUNTERSINKINCLUDED
SUBSTITUTES & CROSS-REFERENCES 1
NMP-1123Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NMP-1123 PIECE 18?
NMP-1123 PIECE 18 is a GUIDE,VALVE STEM.
What parts can replace NMP-1123 PIECE 18?
There is 1 known substitute for NMP-1123 PIECE 18: NMP-1123. Substitute compatibility should be verified for your specific system.
What is the NSN for NMP-1123 PIECE 18?
NMP-1123 PIECE 18 is cataloged in the U.S. Government catalog under NSN 4820-01-287-4178. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.