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1LA291 — VALVE,BUTTERFLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1LA291: VALVE,BUTTERFLY.

The VALVE,BUTTERFLY is a the manufacturer industrial component. Key specifications include end_item_identification: VALVE/ACTUATOR ASSEMBLY, part_name_assigned_by_controlling_agency: BUTTERFLY VALVE WITH ACTUATOR. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-577-4381, 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
1LA291
NSN: 4820-01-577-4381
FSC: 4820 — Valves, Nonpowered
CAGE: 4YUS3 — W. & O. SUPPLY, INC. DIV MOBILE (USA)
SPECIFICATIONS
end_item_identificationVALVE/ACTUATOR ASSEMBLY
part_name_assigned_by_controlling_agencyBUTTERFLY VALVE WITH ACTUATOR
NSN4820-01-577-4381
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1LA291 · 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYBUTTERFLY VALVE WITH ACTUATOR
END ITEM IDENTIFICATIONVALVE/ACTUATOR ASSEMBLY
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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1LA291?
1LA291 is a VALVE,BUTTERFLY.
What is the NSN for 1LA291?
1LA291 is cataloged in the U.S. Government catalog under NSN 4820-01-577-4381. This indicates validated use in U.S. government and defense supply chains.
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