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21JRV46 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

21JRV46: 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
21JRV46
NSN: 4820-00-353-0485
FSC: 4820 — Valves, Nonpowered
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (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: 21JRV46 · 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
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
P-18489Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 21JRV46?
21JRV46 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace 21JRV46?
There are 5 known substitutes for 21JRV46: 137143R1, 232070, 15528P11 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21JRV46?
21JRV46 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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✓ 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.