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Technical Data Sheet
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270645-005 — DISK AND SEAT SET,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

270645-005: DISK AND SEAT SET,VALVE.

The DISK AND SEAT SET,VALVE is a the manufacturer industrial component. Key specifications include end_item_source: 04845, end_item_identification: SELNOID VALVE P/N AV174565. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-504-3793, 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
270645-005
NSN: 4820-01-504-3793
FSC: 4820 — Valves, Nonpowered
CAGE: 04845 — AUTOMATIC SWITCH COMPANY DBA ASCO (USA)
SPECIFICATIONS
end_item_source04845
end_item_identificationSELNOID VALVE P/N AV174565
NSN4820-01-504-3793
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 270645-005 · 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
•
END ITEM SOURCE: 04845
TECHNICAL CHARACTERISTICS
END ITEM SOURCE04845
END ITEM IDENTIFICATIONSELNOID VALVE P/N AV174565
SUBSTITUTES & CROSS-REFERENCES 2
AV174565Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
AV174565 ITEM NO 11Same 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 270645-005?
270645-005 is a DISK AND SEAT SET,VALVE.
What parts can replace 270645-005?
There are 2 known substitutes for 270645-005: AV174565, AV174565 ITEM NO 11. Substitute compatibility should be verified for your specific system.
What is the NSN for 270645-005?
270645-005 is cataloged in the U.S. Government catalog under NSN 4820-01-504-3793. 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.