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NMP-473 PIECE 7 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

NMP-473 PIECE 7: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303, valve_size_for_which_designed: 0.375 INCHES IN, valve_type_for_which_designed: RELIEF, valve_model_number_for_which_designed: HDF-1. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-310-4294, 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-473 PIECE 7
NSN: 4820-01-310-4294
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialSTEEL COMP 303
valve_size_for_which_designed0.375 INCHES IN
valve_type_for_which_designedRELIEF
valve_model_number_for_which_designedHDF-1
NSN4820-01-310-4294
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NMP-473 PIECE 7 · 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
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: HDF-1
•
VALVE SIZE FOR WHICH DESIGNED: 0.375 INCHES IN
•
MATERIAL: STEEL COMP 303
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDRELIEF
VALVE MODEL NUMBER FOR WHICH DESIGNEDHDF-1
VALVE SIZE FOR WHICH DESIGNED0.375 INCHES IN
MATERIALSTEEL COMP 303
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 2
NMP-473Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
NMP-473 PIECE 7 3/4INReference document
Same NSN cross-reference
Reference document — Secondary reference
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-473 PIECE 7?
NMP-473 PIECE 7 is a STEM,FLUID VALVE.
What parts can replace NMP-473 PIECE 7?
There are 2 known substitutes for NMP-473 PIECE 7: NMP-473, NMP-473 PIECE 7 3/4IN. Substitute compatibility should be verified for your specific system.
What is the NSN for NMP-473 PIECE 7?
NMP-473 PIECE 7 is cataloged in the U.S. Government catalog under NSN 4820-01-310-4294. 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.