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1FA1305527 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1FA1305527: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, special_features: FOR LINEAR DIRECTIONAL CONTROL VALVE; SQUARE HOLE FOR VALVE SLIDE, end_item_identification: 1520-01-088-3669; HELICOPTER CHINOOK, CH47. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-446-3229, 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
1FA1305527
NSN: 4820-01-446-3229
FSC: 4820 — Valves, Nonpowered
CAGE: 26437 — TRIUMPH ACTUATION SYSTEMS, LLC DIV TRIUMPH ACTUATION SYSTEMS - FREEPORT (USA)
SPECIFICATIONS
materialSTEEL
special_featuresFOR LINEAR DIRECTIONAL CONTROL VALVE; SQUARE HOLE FOR VALVE SLIDE
end_item_identification1520-01-088-3669; HELICOPTER CHINOOK, CH47
NSN4820-01-446-3229
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1FA1305527 · 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
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESFOR LINEAR DIRECTIONAL CONTROL VALVE; SQUARE HOLE FOR VALVE SLIDE
END ITEM IDENTIFICATION1520-01-088-3669; HELICOPTER CHINOOK, CH47
MATERIALSTEEL
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 1FA1305527?
1FA1305527 is a DISK,VALVE.
What is the NSN for 1FA1305527?
1FA1305527 is cataloged in the U.S. Government catalog under NSN 4820-01-446-3229. 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.