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218013487 — RETAINER,NEEDLE STEM

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

218013487: RETAINER,NEEDLE STEM.

The RETAINER,NEEDLE STEM is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_width: 1.760 INCHES NOMINAL IN, overall_height: 0.250 INCHES NOMINAL IN, overall_length: 12.410 INCHES NOMINAL IN, end_item_identification: HP-144/HS-144 VENT AND SUPPLY TANK; SHIP, OHIO CLASS SSN (TRIDENT). This part is cataloged in the U.S.

Government catalog under NSN 4820-01-444-4313, 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
218013487
NSN: 4820-01-444-4313
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_width1.760 INCHES NOMINAL IN
overall_height0.250 INCHES NOMINAL IN
overall_length12.410 INCHES NOMINAL IN
end_item_identificationHP-144/HS-144 VENT AND SUPPLY TANK; SHIP, OHIO CLASS SSN (TRIDENT)
NSN4820-01-444-4313
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 218013487 · 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
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.250 INCHES NOMINAL IN
OVERALL LENGTH12.410 INCHES NOMINAL IN
OVERALL WIDTH1.760 INCHES NOMINAL IN
END ITEM IDENTIFICATIONHP-144/HS-144 VENT AND SUPPLY TANK; SHIP, OHIO CLASS SSN (TRIDENT)
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 3
556-6406600-MVSA-A8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6406600Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
556-6406600-MVSA-B8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 218013487?
218013487 is a RETAINER,NEEDLE STEM.
What parts can replace 218013487?
There are 3 known substitutes for 218013487: 556-6406600-MVSA-A8, 6406600, 556-6406600-MVSA-B8. Substitute compatibility should be verified for your specific system.
What is the NSN for 218013487?
218013487 is cataloged in the U.S. Government catalog under NSN 4820-01-444-4313. This indicates validated use in U.S. government and defense supply chains.
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