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450041-8 — VALVE,RELIEF,PRESSURE AND TEMPER

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

450041-8: VALVE,RELIEF,PRESSURE AND TEMPER.

VALVE,RELIEF,PRESSURE AND TEMPER. This part is cataloged in the U.S. Government catalog under NSN 4820-01-258-9309, 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
450041-8
NSN: 4820-01-258-9309
FSC: 4820 — Valves, Nonpowered
CAGE: 2H266 — W B ARNOLD COMPANY, INC. (USA)
SPECIFICATIONS
Part Number450041-8
NSN4820-01-258-9309
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 450041-8 · 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
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 3
178390Reference document
Same NSN cross-reference
Reference document — Secondary reference
65520306 AND 33414129Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
D-5366 ITEM 265Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 450041-8?
450041-8 is a VALVE,RELIEF,PRESSURE AND TEMPER.
What parts can replace 450041-8?
There are 3 known substitutes for 450041-8: 178390, 65520306 AND 33414129, D-5366 ITEM 265. Substitute compatibility should be verified for your specific system.
What is the NSN for 450041-8?
450041-8 is cataloged in the U.S. Government catalog under NSN 4820-01-258-9309. This indicates validated use in U.S. government and defense supply chains.
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