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M502-2001GR — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

M502-2001GR: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY AND RUBBER, overall_height: 2.028 INCHES NOMINAL IN, shank_diameter: 0.372 INCHES NOMINAL IN, flange_diameter: 2.500 INCHES NOMINAL IN, style_designator: POPPET. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-154-5459, 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
M502-2001GR
NSN: 4820-01-154-5459
FSC: 4820 — Valves, Nonpowered
CAGE: 54418 — MILTOPE CORPORATION (USA)
SPECIFICATIONS
materialCOPPER ALLOY AND RUBBER
overall_height2.028 INCHES NOMINAL IN
shank_diameter0.372 INCHES NOMINAL IN
flange_diameter2.500 INCHES NOMINAL IN
style_designatorPOPPET
NSN4820-01-154-5459
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: M502-2001GR · 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
•
SHANK DIAMETER: 0.372 INCHES NOMINAL IN
•
FLANGE DIAMETER: 2.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: POPPET
•
MATERIAL: COPPER ALLOY AND RUBBER
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.372 INCHES NOMINAL IN
FLANGE DIAMETER2.500 INCHES NOMINAL IN
OVERALL HEIGHT2.028 INCHES NOMINAL IN
STYLE DESIGNATORPOPPET
MATERIALCOPPER ALLOY AND RUBBER
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
2BA508Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
84459-JReference document
Same NSN cross-reference
Reference document — Secondary reference
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 M502-2001GR?
M502-2001GR is a DISK,VALVE.
What parts can replace M502-2001GR?
There are 2 known substitutes for M502-2001GR: 2BA508, 84459-J. Substitute compatibility should be verified for your specific system.
What is the NSN for M502-2001GR?
M502-2001GR is cataloged in the U.S. Government catalog under NSN 4820-01-154-5459. 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.