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3,129,404 PIECE 12 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3,129,404 PIECE 12: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_length: 16.938 INCHES NOMINAL IN, largest_outside_diameter: 1.062 INCHES NOMINAL IN, material_document_and_classification: MIL-S-B53 MIL SPEC ALL MATERIAL RESPONSES. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-221-2122, 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
3,129,404 PIECE 12
NSN: 4820-01-221-2122
FSC: 4820 — Valves, Nonpowered
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_length16.938 INCHES NOMINAL IN
special_featuresTHREADED 7.125 IN. FROM THE TOP END 0.750-18 THD; TOP END 0.438 IN. DIA; OTHER END 0.906 IN. DIA; ROUND ON THE END AND A 0.125 IN. HOLE 0.688 IN. FROM END IN
largest_outside_diameter1.062 INCHES NOMINAL IN
material_document_and_classificationMIL-S-B53 MIL SPEC ALL MATERIAL RESPONSES
NSN4820-01-221-2122
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3,129,404 PIECE 12 · 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: 1.062 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-B53 MIL SPEC ALL MATERIAL RESPONSES
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
LARGEST OUTSIDE DIAMETER1.062 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-B53 MIL SPEC ALL MATERIAL RESPONSES
OVERALL LENGTH16.938 INCHES NOMINAL IN
SPECIAL FEATURESTHREADED 7.125 IN. FROM THE TOP END 0.750-18 THD; TOP END 0.438 IN. DIA; OTHER END 0.906 IN. DIA; ROUND ON THE END AND A 0.125 IN. HOLE 0.688 IN. FROM END IN
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 3
NMP320 PIECE 12Reference document
Same NSN cross-reference
Reference document — Secondary reference
NMP320Reference document
Same NSN cross-reference
Reference document — Secondary reference
3,129,404Reference 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 3,129,404 PIECE 12?
3,129,404 PIECE 12 is a STEM,FLUID VALVE.
What parts can replace 3,129,404 PIECE 12?
There are 3 known substitutes for 3,129,404 PIECE 12: NMP320 PIECE 12, NMP320, 3,129,404. Substitute compatibility should be verified for your specific system.
What is the NSN for 3,129,404 PIECE 12?
3,129,404 PIECE 12 is cataloged in the U.S. Government catalog under NSN 4820-01-221-2122. This indicates validated use in U.S. government and defense supply chains.
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