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280375 — HEATER,VEHICULAR,COMPARTMENT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

280375: HEATER,VEHICULAR,COMPARTMENT.

The HEATER,VEHICULAR,COMPARTMENT is a the manufacturer industrial component. Key specifications include end_item_identification: 2320-01-354-3385. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-021-4144, 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
280375
NSN: 4820-01-021-4144
NIINs: 010214144, 014218753
FSC: 4820 — Valves, Nonpowered
CAGE: 06853 — BENDIX COMMERCIAL VEHICLE SYSTEMS LLC DBA BENDIX COMMERCIAL VEHICLE SYSTEMS (USA)
SPECIFICATIONS
end_item_identification2320-01-354-3385
NSN4820-01-021-4144
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 280375 · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: ZINC ALLOY; BRAKE IS CONTROLLED BY AIR COMING INTO SERVICE PORT OPERATING A PISTON W/INTEGRAL SEAT,THIS OPENS THE 2 DELIVERY PORTS TO BRAKES,ON RELEASE OF PRESSURE ON SERVICE SIDE THE VALVE DUMPS THE PRESSURE ON THE BRAKES; VALVE HAS 2 THD PORTS,3/8 IN. 18 NPT-RH THD AND 1 SERVICE PORT 1/4 IN. 18 NPT-RH THD,1 SUPPLY PORT 1/2 IN. 14 NPT-RH THD; FLANGE MTG,2 BOLT HOLES,0.415 IN. DIA,2.500 IN. BETWEEN BOLT HOLE CENTERS IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONZINC ALLOY; BRAKE IS CONTROLLED BY AIR COMING INTO SERVICE PORT OPERATING A PISTON W/INTEGRAL SEAT,THIS OPENS THE 2 DELIVERY PORTS TO BRAKES,ON RELEASE OF PRESSURE ON SERVICE SIDE THE VALVE DUMPS THE PRESSURE ON THE BRAKES; VALVE HAS 2 THD PORTS,3/8 IN. 18 NPT-RH THD AND 1 SERVICE PORT 1/4 IN. 18 NPT-RH THD,1 SUPPLY PORT 1/2 IN. 14 NPT-RH THD; FLANGE MTG,2 BOLT HOLES,0.415 IN. DIA,2.500 IN. BETWEEN BOLT HOLE CENTERS IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 280375?
280375 is a HEATER,VEHICULAR,COMPARTMENT.
What is the NSN for 280375?
280375 is cataloged in the U.S. Government catalog under NSN 4820-01-021-4144. 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.