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NMP1143PC4 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

NMP1143PC4: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, end_item_identification: CVN REACTOR BOUNDARY AREA, stem_actuating_end_type: THREADED EXTERNALLY, valve_type_for_which_designed: RELIEF. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-550-2082, 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
NMP1143PC4
NSN: 4820-01-550-2082
FSC: 4820 — Valves, Nonpowered
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialNICKEL ALLOY
end_item_identificationCVN REACTOR BOUNDARY AREA
stem_actuating_end_typeTHREADED EXTERNALLY
valve_type_for_which_designedRELIEF
NSN4820-01-550-2082
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NMP1143PC4 · 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 TYPE FOR WHICH DESIGNED: RELIEF
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDRELIEF
STEM ACTUATING END TYPETHREADED EXTERNALLY
END ITEM IDENTIFICATIONCVN REACTOR BOUNDARY AREA
MATERIALNICKEL ALLOY
SUBSTITUTES & CROSS-REFERENCES 2
NMP1143Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
0045000375NReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NMP1143PC4?
NMP1143PC4 is a STEM,FLUID VALVE.
What parts can replace NMP1143PC4?
There are 2 known substitutes for NMP1143PC4: NMP1143, 0045000375N. Substitute compatibility should be verified for your specific system.
What is the NSN for NMP1143PC4?
NMP1143PC4 is cataloged in the U.S. Government catalog under NSN 4820-01-550-2082. 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.