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21050-001 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

21050-001: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include body_material: ALUMINUM ALLOY, end_item_identification: SSN-23, part_name_assigned_by_controlling_agency: PILOT VALVE ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-514-9983, 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
21050-001
NSN: 4820-01-514-9983
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
body_materialALUMINUM ALLOY
end_item_identificationSSN-23
part_name_assigned_by_controlling_agencyPILOT VALVE ASSEMBLY
NSN4820-01-514-9983
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21050-001 · 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
•
BODY MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
BODY MATERIALALUMINUM ALLOY
PART NAME ASSIGNED BY CONTROLLING AGENCYPILOT VALVE ASSEMBLY
END ITEM IDENTIFICATIONSSN-23
SUBSTITUTES & CROSS-REFERENCES 1
21050Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 21050-001?
21050-001 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace 21050-001?
There is 1 known substitute for 21050-001: 21050. Substitute compatibility should be verified for your specific system.
What is the NSN for 21050-001?
21050-001 is cataloged in the U.S. Government catalog under NSN 4820-01-514-9983. 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.