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4337-H21AB-183 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4337-H21AB-183: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, special_features: NHA: 1.500 INCH GATE VALVE IN, style_designator: SOLID WEDGE, end_item_identification: LCS1. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-538-3070, 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
4337-H21AB-183
NSN: 4820-01-538-3070
FSC: 4820 — Valves, Nonpowered
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
materialNICKEL ALLOY
special_featuresNHA: 1.500 INCH GATE VALVE IN
style_designatorSOLID WEDGE
end_item_identificationLCS1
NSN4820-01-538-3070
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4337-H21AB-183 · 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
•
STYLE DESIGNATOR: SOLID WEDGE
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSOLID WEDGE
SPECIAL FEATURESNHA: 1.500 INCH GATE VALVE IN
END ITEM IDENTIFICATIONLCS1
MATERIALNICKEL ALLOY
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
1385714Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
803-1385714-7-21Reference 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 4337-H21AB-183?
4337-H21AB-183 is a DISK,VALVE.
What parts can replace 4337-H21AB-183?
There are 2 known substitutes for 4337-H21AB-183: 1385714, 803-1385714-7-21. Substitute compatibility should be verified for your specific system.
What is the NSN for 4337-H21AB-183?
4337-H21AB-183 is cataloged in the U.S. Government catalog under NSN 4820-01-538-3070. 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.