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P-18489 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

P-18489: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include outside_diameter: 3.688 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-353-0485, 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
P-18489
NSN: 4820-00-353-0485
FSC: 4820 — Valves, Nonpowered
CAGE: 04285 — ATHEY PRODUCTS CORP (USA)
SPECIFICATIONS
outside_diameter3.688 INCHES NOMINAL IN
NSN4820-00-353-0485
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: P-18489 · 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
•
OUTSIDE DIAMETER: 3.688 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER3.688 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 5
137143R1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
21JRV46Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
232070Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
15528P11Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7417279Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is P-18489?
P-18489 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace P-18489?
There are 5 known substitutes for P-18489: 137143R1, 21JRV46, 232070 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P-18489?
P-18489 is cataloged in the U.S. Government catalog under NSN 4820-00-353-0485. This indicates validated use in U.S. government and defense supply chains.
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