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GV501D1 — VALVE,VACUUM BREAKING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

GV501D1: VALVE,VACUUM BREAKING.

The VALVE,VACUUM BREAKING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY BODY, body_style: SINGLE CONNECTION, STRAIGHT FLOW, special_features: VALVE HAS A HUMIDITY INDICATOR INTEGRAL W/THE ITEM, surface_treatment: ANODIZE OUTSIDE, temp_adjustability: ADJUSTABLE, flow_control_device: DISK, TOP GUIDED. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-144-5205, 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
GV501D1
NSN: 4820-00-144-5205
FSC: 4820 — Valves, Nonpowered
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
body_styleSINGLE CONNECTION, STRAIGHT FLOW
special_featuresVALVE HAS A HUMIDITY INDICATOR INTEGRAL W/THE ITEM
surface_treatmentANODIZE OUTSIDE
temp_adjustabilityADJUSTABLE
flow_control_deviceDISK, TOP GUIDED
first_end_thread_class2A A
end_connection_quantity1
media_for_which_designedAIR
first_end_style_designatorEXTERNAL SEAT FOR GASKET SEAL
NSN4820-00-144-5205
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: GV501D1 · 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
•
FLOW CONTROL DEVICE: DISK, TOP GUIDED
•
BODY STYLE: SINGLE CONNECTION, STRAIGHT FLOW
•
FIRST END THREAD CLASS: 2A A
•
FIRST END STYLE DESIGNATOR: EXTERNAL SEAT FOR GASKET SEAL
•
END CONNECTION QUANTITY: 1
•
TEMP ADJUSTABILITY: ADJUSTABLE
•
SURFACE TREATMENT: ANODIZE OUTSIDE
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK, TOP GUIDED
BODY STYLESINGLE CONNECTION, STRAIGHT FLOW
FIRST END THREAD CLASS2A A
FIRST END STYLE DESIGNATOREXTERNAL SEAT FOR GASKET SEAL
END CONNECTION QUANTITY1
TEMP ADJUSTABILITYADJUSTABLE
SPECIAL FEATURESVALVE HAS A HUMIDITY INDICATOR INTEGRAL W/THE ITEM
SURFACE TREATMENTANODIZE OUTSIDE
MATERIALALUMINUM ALLOY BODY
MEDIA FOR WHICH DESIGNEDAIR
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 GV501D1?
GV501D1 is a VALVE,VACUUM BREAKING.
What is the NSN for GV501D1?
GV501D1 is cataloged in the U.S. Government catalog under NSN 4820-00-144-5205. 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.