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PartsTable / COMPONENT / D17266-D ITEM 6 2 1/2IN
D17266-D ITEM 6 2 1/2IN ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The D17266-D ITEM 6 2 1/2IN is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-313-5530, 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
D17266-D ITEM 6 2 1/2IN
NSN: 4820-01-313-5530
FSC: 4820
CAGE: 48422 — WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION (USA)
SPECIFICATIONS
Part NumberD17266-D ITEM 6 2 1/2IN
NSN4820-01-313-5530
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D17266-D ITEM 6 2 1/2IN · 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: COPPER ALLOY
•
MEDIA FOR WHICH DESIGNED: GAS OR OIL OR WATER
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY
MEDIA FOR WHICH DESIGNEDGAS OR OIL OR WATER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
F1G554Interchangeable
interchangeable cross-reference
interchangeable
560Interchangeable
interchangeable cross-reference
interchangeable
17266Interchangeable
interchangeable cross-reference
interchangeable
17266-D FIG NO.560Y (T.E.)Interchangeable
interchangeable cross-reference
interchangeable
560Y 2 1/2INInterchangeable
interchangeable cross-reference
interchangeable
D17266-D ITEM 5 2 1/2INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D17266-D ITEM 6 2 1/2IN?
D17266-D ITEM 6 2 1/2IN is a D17266-D ITEM 6 2 1/2IN.
What parts can replace D17266-D ITEM 6 2 1/2IN?
There are 8 known substitutes for D17266-D ITEM 6 2 1/2IN: F1G554, 560, 17266 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D17266-D ITEM 6 2 1/2IN?
D17266-D ITEM 6 2 1/2IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-313-5530. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026