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1741AS563-1 — STEM,NEEDLE VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1741AS563-1: STEM,NEEDLE VALVE.

The STEM,NEEDLE VALVE is a the manufacturer industrial component. Key specifications include overall_length: 2.000 INCHES NOMINAL IN, end_item_identification: SPECIAL AIRCRAFT AND ENGINE TOOL AND SUPPORT EQUIPMENT/PARTS, stem_actuating_end_type: THREADED EXTERNALLY, valve_size_for_which_designed: 0.187 INCHES IN, criticality_code_justification: AGAV. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-481-0033, 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
1741AS563-1
NSN: 4810-01-481-0033
FSC: 4810 — Valves, Powered
CAGE: 17875 — EATON CORPORATION DBA AIR CONTROLS DIVISION DIV AIR CONTROLS DIVISION (USA)
SPECIFICATIONS
overall_length2.000 INCHES NOMINAL IN
end_item_identificationSPECIAL AIRCRAFT AND ENGINE TOOL AND SUPPORT EQUIPMENT/PARTS
stem_actuating_end_typeTHREADED EXTERNALLY
valve_size_for_which_designed0.187 INCHES IN
criticality_code_justificationAGAV
NSN4810-01-481-0033
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1741AS563-1 · 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
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
•
CRITICALITY CODE JUSTIFICATION: AGAV
•
VALVE SIZE FOR WHICH DESIGNED: 0.187 INCHES IN
TECHNICAL CHARACTERISTICS
STEM ACTUATING END TYPETHREADED EXTERNALLY
CRITICALITY CODE JUSTIFICATIONAGAV
OVERALL LENGTH2.000 INCHES NOMINAL IN
VALVE SIZE FOR WHICH DESIGNED0.187 INCHES IN
END ITEM IDENTIFICATIONSPECIAL AIRCRAFT AND ENGINE TOOL AND SUPPORT EQUIPMENT/PARTS
SUBSTITUTES & CROSS-REFERENCES 1
H50Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 1741AS563-1?
1741AS563-1 is a STEM,NEEDLE VALVE.
What parts can replace 1741AS563-1?
There is 1 known substitute for 1741AS563-1: H50. Substitute compatibility should be verified for your specific system.
What is the NSN for 1741AS563-1?
1741AS563-1 is cataloged in the U.S. Government catalog under NSN 4810-01-481-0033. 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.