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P-3-6-21 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

P-3-6-21: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include end_item_identification: 112159137; HYDRAULIC SYSTEM, part_name_assigned_by_controlling_agency: FLEX HOSE ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-710-5529, 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-3-6-21
NSN: 4820-01-710-5529
FSC: 4820 — Valves, Nonpowered
CAGE: 28396 — INTERNATIONAL VALVE CORP DBA CHECK-ALL VALVE MFG. CO. (USA)
SPECIFICATIONS
end_item_identification112159137; HYDRAULIC SYSTEM
part_name_assigned_by_controlling_agencyFLEX HOSE ASSEMBLY
NSN4820-01-710-5529
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: P-3-6-21 · 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 1
112159137Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is P-3-6-21?
P-3-6-21 is a VALVE,CHECK.
What parts can replace P-3-6-21?
There is 1 known substitute for P-3-6-21: 112159137. Substitute compatibility should be verified for your specific system.
What is the NSN for P-3-6-21?
P-3-6-21 is cataloged in the U.S. Government catalog under NSN 4820-01-710-5529. This indicates validated use in U.S. government and defense supply chains.
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