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3A20531 — PARTS KIT,CHECK VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3A20531: PARTS KIT,CHECK VALVE.

The PARTS KIT,CHECK VALVE is a the manufacturer industrial component. Key specifications include furnished_items: 1 EA. O-RING; 1 EA.

CHECK VALVE, end_item_identification: MFR ID-HTC-8640SL, part_name_assigned_by_controlling_agency: KIT, CHECK VALVE MAINTENANCE. This part is cataloged in the U.S. Government catalog under NSN 4820-01-562-1226, 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
3A20531
NSN: 4820-01-562-1226
FSC: 4820 — Valves, Nonpowered
CAGE: 2Y614 — LINK-BELT CRANES, L.P., LLLP (USA)
SPECIFICATIONS
furnished_items1 EA. O-RING; 1 EA. CHECK VALVE
end_item_identificationMFR ID-HTC-8640SL
part_name_assigned_by_controlling_agencyKIT, CHECK VALVE MAINTENANCE
NSN4820-01-562-1226
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3A20531 · 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
•
FURNISHED ITEMS: 1 EA. O-RING; 1 EA. CHECK VALVE
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS1 EA. O-RING; 1 EA. CHECK VALVE
PART NAME ASSIGNED BY CONTROLLING AGENCYKIT, CHECK VALVE MAINTENANCE
END ITEM IDENTIFICATIONMFR ID-HTC-8640SL
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
1-27-324.0 REF 36/3A20531Same 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 3A20531?
3A20531 is a PARTS KIT,CHECK VALVE.
What parts can replace 3A20531?
There is 1 known substitute for 3A20531: 1-27-324.0 REF 36/3A20531. Substitute compatibility should be verified for your specific system.
What is the NSN for 3A20531?
3A20531 is cataloged in the U.S. Government catalog under NSN 4820-01-562-1226. This indicates validated use in U.S. government and defense supply chains.
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