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303453 — GRINDING MACHINE,MACHINE TOOL AT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

303453: GRINDING MACHINE,MACHINE TOOL AT.

GRINDING MACHINE,MACHINE TOOL AT. This part is cataloged in the U.S. Government catalog under NSN 4820-01-293-9259, 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
303453
NSN: 4820-01-293-9259
NIINs: 012939259, 015950515
FSC: 4820 — Valves, Nonpowered
CAGE: 0CMW6 — US NAVAL REGIONAL CONTRACTING OFFICE (USA)
SPECIFICATIONS
Part Number303453
NSN4820-01-293-9259
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 303453 · 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 1
FD32FA11/BReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 303453?
303453 is a GRINDING MACHINE,MACHINE TOOL AT.
What parts can replace 303453?
There is 1 known substitute for 303453: FD32FA11/B. Substitute compatibility should be verified for your specific system.
What is the NSN for 303453?
303453 is cataloged in the U.S. Government catalog under NSN 4820-01-293-9259. This indicates validated use in U.S. government and defense supply chains.
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