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21075-003 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

21075-003: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include body_material: IRON, features_provided: DOUBLE ACTING, valve_discharge_flow_rate: 20.0 GALLONS PER MINUTE, furnished_items_and_quantity: 1 RELIEF VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-543-8554, 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
21075-003
NSN: 4820-01-543-8554
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
body_materialIRON
features_providedDOUBLE ACTING
valve_discharge_flow_rate20.0 GALLONS PER MINUTE
furnished_items_and_quantity1 RELIEF VALVE
NSN4820-01-543-8554
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21075-003 · 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
•
FURNISHED ITEMS AND QUANTITY: 1 RELIEF VALVE
•
FEATURES PROVIDED: DOUBLE ACTING
•
BODY MATERIAL: IRON
•
VALVE DISCHARGE FLOW RATE: 20.0 GALLONS PER MINUTE
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 RELIEF VALVE
FEATURES PROVIDEDDOUBLE ACTING
BODY MATERIALIRON
VALVE DISCHARGE FLOW RATE20.0 GALLONS PER MINUTE
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 21075-003?
21075-003 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What is the NSN for 21075-003?
21075-003 is cataloged in the U.S. Government catalog under NSN 4820-01-543-8554. 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.