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4D13938 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4D13938: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include core_width: 19.000 INCHES NOMINAL IN, tank_width: 2.250 INCHES NOMINAL FIRST TANK LOWER IN, core_height: 16.250 INCHES NOMINAL IN, tank_height: 19.812 INCHES NOMINAL 2D TANK UPPER IN, overall_width: 21.562 INCHES NOMINAL IN, tank_location: LOWER FIRST TANK LOWER. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-426-8359, 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
4D13938
NSN: 4820-00-426-8359
FSC: 4820 — Valves, Nonpowered
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
core_width19.000 INCHES NOMINAL IN
tank_width2.250 INCHES NOMINAL FIRST TANK LOWER IN
core_height16.250 INCHES NOMINAL IN
tank_height19.812 INCHES NOMINAL 2D TANK UPPER IN
overall_width21.562 INCHES NOMINAL IN
tank_locationLOWER FIRST TANK LOWER
tank_quantity1 2D TANK UPPER
core_thickness3.000 INCHES NOMINAL IN
overall_height22.000 INCHES NOMINAL IN
NSN4820-00-426-8359
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4D13938 · 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
SUBSTITUTES & CROSS-REFERENCES 5
292686R91Reference document
Same NSN cross-reference
Reference document — Secondary reference
12076P11Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
16A5356Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
698572R91Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
436392Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4D13938?
4D13938 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace 4D13938?
There are 5 known substitutes for 4D13938: 292686R91, 12076P11, 16A5356 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4D13938?
4D13938 is cataloged in the U.S. Government catalog under NSN 4820-00-426-8359. This indicates validated use in U.S. government and defense supply chains.
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