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125346A — POPPET-SLEEVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

125346A: POPPET-SLEEVE.

The POPPET-SLEEVE is a the manufacturer industrial component. Key specifications include end_item_identification: VALVE PART NO. AV19A1031-105/107.

This part is cataloged in the U.S. Government catalog under NSN 4810-00-335-3097, 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
125346A
NSN: 4810-00-335-3097
FSC: 4810 — Valves, Powered
CAGE: 86090 — EATON CORPORATION DBA AIRFRAME DIV FUEL & MOTION CONTROL SYSTEMS (USA)
SPECIFICATIONS
end_item_identificationVALVE PART NO. AV19A1031-105/107
general_characteristics_item_description1.960 IN. O/A LG OF POPPET,17-4PH CONDITION A CORROSION RESISTING STEEL,1.214 IN. MAX LG OF SLEEVE,440C CORROSION RESISTING STEEL HEAT TREATED 58 TO 60 ROCKWELL C SCALE,MATCHED SET IN
NSN4810-00-335-3097
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 125346A · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 1.960 IN. O/A LG OF POPPET,17-4PH CONDITION A CORROSION RESISTING STEEL,1.214 IN. MAX LG OF SLEEVE,440C CORROSION RESISTING STEEL HEAT TREATED 58 TO 60 ROCKWELL C SCALE,MATCHED SET IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTION1.960 IN. O/A LG OF POPPET,17-4PH CONDITION A CORROSION RESISTING STEEL,1.214 IN. MAX LG OF SLEEVE,440C CORROSION RESISTING STEEL HEAT TREATED 58 TO 60 ROCKWELL C SCALE,MATCHED SET IN
END ITEM IDENTIFICATIONVALVE PART NO. AV19A1031-105/107
OTHER ITEMS IN FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611
SUBSTITUTES & CROSS-REFERENCES 1
926-0086-050Same 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 demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 125346A?
125346A is a POPPET-SLEEVE.
What parts can replace 125346A?
There is 1 known substitute for 125346A: 926-0086-050. Substitute compatibility should be verified for your specific system.
What is the NSN for 125346A?
125346A is cataloged in the U.S. Government catalog under NSN 4810-00-335-3097. 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.