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Technical Data Sheet
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T8294 — RING,PISTON

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

T8294: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include end_item_identification: 4320-01-182-0521. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-218-6837, 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
T8294
NSN: 4820-00-218-6837
NIINs: 002186837, 012621818
FSC: 4820 — Valves, Nonpowered
CAGE: 24378 — DIESEL PARTS CO OF CALIFORNIA (USA)
SPECIFICATIONS
end_item_identification4320-01-182-0521
NSN4820-00-218-6837
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: T8294 · 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
SUBSTITUTES & CROSS-REFERENCES 4
5228294Reference document
Same NSN cross-reference
Reference document — Secondary reference
K-5228294Reference document
Same NSN cross-reference
Reference document — Secondary reference
PC5228294Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2910002186837Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 T8294?
T8294 is a RING,PISTON.
What parts can replace T8294?
There are 4 known substitutes for T8294: 5228294, K-5228294, PC5228294 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T8294?
T8294 is cataloged in the U.S. Government catalog under NSN 4820-00-218-6837. 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.