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KN20581 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

KN20581: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include features_provided: PANEL MOUNTED, valve_operation_method: MANUAL, end_item_identification: MISSILE, MINUTEMAN LGM-30, furnished_items_and_quantity: 1 LEVER, nominal_pipe_size_accommodated: 0.250 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-472-9784, 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
KN20581
NSN: 4820-01-472-9784
FSC: 4820 — Valves, Nonpowered
CAGE: 06721 — HALDEX BRAKE PRODUCTS CORPORATION (USA)
SPECIFICATIONS
special_featuresTRAILER BRAKE CONTROL; SUPPLY PORT, 2 DELIVERY PORTS, EXHAUST PORT - ALL 1/4 IN.; MAX DEL-SYSTEM PRESSURE; INCLUDES 5 INCH LEVER, NO KNOB IN
features_providedPANEL MOUNTED
valve_operation_methodMANUAL
end_item_identificationMISSILE, MINUTEMAN LGM-30
furnished_items_and_quantity1 LEVER
nominal_pipe_size_accommodated0.250 INCHES IN
NSN4820-01-472-9784
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: KN20581 · 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 LEVER
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.250 INCHES IN
•
FEATURES PROVIDED: PANEL MOUNTED
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 LEVER
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES IN
FEATURES PROVIDEDPANEL MOUNTED
SPECIAL FEATURESTRAILER BRAKE CONTROL; SUPPLY PORT, 2 DELIVERY PORTS, EXHAUST PORT - ALL 1/4 IN.; MAX DEL-SYSTEM PRESSURE; INCLUDES 5 INCH LEVER, NO KNOB IN
END ITEM IDENTIFICATIONMISSILE, MINUTEMAN LGM-30
VALVE OPERATION METHODMANUAL
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
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is KN20581?
KN20581 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What is the NSN for KN20581?
KN20581 is cataloged in the U.S. Government catalog under NSN 4820-01-472-9784. 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.