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873459 — VALVE ASSEMBLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

873459: VALVE ASSEMBLY.

The VALVE ASSEMBLY is a the manufacturer industrial component. Key specifications include end_item_identification: DELAYED DISCHARGED, FIRE EXTINGUISHER, operating_pressure_and_type: 2250.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LBS, maximum_operating_temp_and_media_for_which_designed: 70.0 FAHRENHEIT AIR DEGF. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-537-0289, 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
873459
NSN: 4820-00-537-0289
FSC: 4820 — Valves, Nonpowered
CAGE: 61423 — KIDDE TECHNOLOGIES, INC DIV KIDDE AEROSPACE AND DEFENSE (USA)
SPECIFICATIONS
valve_quantity1
end_item_identificationDELAYED DISCHARGED, FIRE EXTINGUISHER
operating_pressure_and_type2250.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LBS
maximum_operating_temp_and_media_for_which_designed70.0 FAHRENHEIT AIR DEGF
NSN4820-00-537-0289
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 873459 · 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
•
VALVE QUANTITY: 1
•
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED: 70.0 FAHRENHEIT AIR DEGF
•
OPERATING PRESSURE AND TYPE: 2250.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LBS
TECHNICAL CHARACTERISTICS
VALVE QUANTITY1
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED70.0 FAHRENHEIT AIR DEGF
OPERATING PRESSURE AND TYPE2250.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LBS
END ITEM IDENTIFICATIONDELAYED DISCHARGED, FIRE EXTINGUISHER
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 2
4210005370289Reference document
Same NSN cross-reference
Reference document — Informative reference only
10917120Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 873459?
873459 is a VALVE ASSEMBLY.
What parts can replace 873459?
There are 2 known substitutes for 873459: 4210005370289, 10917120. Substitute compatibility should be verified for your specific system.
What is the NSN for 873459?
873459 is cataloged in the U.S. Government catalog under NSN 4820-00-537-0289. 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.