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1AA-18-004 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1AA-18-004: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include end_item_identification: ALLIED ENTERPRISES SF PLUNGER PUMP MODEL 2SF20. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-359-0611, 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
1AA-18-004
NSN: 4820-01-359-0611
FSC: 4820 — Valves, Nonpowered
CAGE: 58396 — ALLIED ENTERPRISES, INC. (USA)
SPECIFICATIONS
end_item_identificationALLIED ENTERPRISES SF PLUNGER PUMP MODEL 2SF20
NSN4820-01-359-0611
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1AA-18-004 · 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONALLIED ENTERPRISES SF PLUNGER PUMP MODEL 2SF20
SUBSTITUTES & CROSS-REFERENCES 1
44881Same 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 1AA-18-004?
1AA-18-004 is a SEAT,VALVE.
What parts can replace 1AA-18-004?
There is 1 known substitute for 1AA-18-004: 44881. Substitute compatibility should be verified for your specific system.
What is the NSN for 1AA-18-004?
1AA-18-004 is cataloged in the U.S. Government catalog under NSN 4820-01-359-0611. This indicates validated use in U.S. government and defense supply chains.
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