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43249A — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

43249A: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, thread_class: 3B SINGLE THREADED PORTION, thread_length: 0.150 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 0.283 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN, style_designator: PLAIN FLANGED, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-142-4264, 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
43249A
NSN: 4810-01-142-4264
FSC: 4810 — Valves, Powered
CAGE: 73760 — ITT AEROSPACE CONTROLS LLC DBA ITT AEROSPACE CONTROLS UNIT S (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thread_class3B SINGLE THREADED PORTION
thread_length0.150 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter0.283 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
style_designatorPLAIN FLANGED
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.164 INCHES SINGLE THREADED PORTION IN
under_flange_height0.333 INCHES MINIMUM AND 0.361 INCHES MAXIMUM IN
body_inside_diameter0.126 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
fsc_application_dataAIRCRAFT AUXILIARY POWER UNIT
body_outside_diameter0.260 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
seating_surface_shapeFLAT
NSN4810-01-142-4264
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 43249A · 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
•
FLANGE SEAT TO DISK END HEIGHT: 0.420 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
•
FLANGE DIAMETER: 0.283 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
•
FSC APPLICATION DATA: AIRCRAFT AUXILIARY POWER UNIT
•
BODY OUTSIDE DIAMETER: 0.260 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.150 INCHES NOMINAL SINGLE THREADED PORTION IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 0.126 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
•
NOMINAL THREAD SIZE: 0.164 INCHES SINGLE THREADED PORTION IN
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.420 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
FLANGE DIAMETER0.283 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
FSC APPLICATION DATAAIRCRAFT AUXILIARY POWER UNIT
BODY OUTSIDE DIAMETER0.260 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
THREAD LENGTH0.150 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER0.126 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.164 INCHES SINGLE THREADED PORTION IN
SURFACE TREATMENTPASSIVATE OVERALL
UNDER FLANGE HEIGHT0.333 INCHES MINIMUM AND 0.361 INCHES MAXIMUM IN
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 43249A?
43249A is a SEAT,VALVE.
What is the NSN for 43249A?
43249A is cataloged in the U.S. Government catalog under NSN 4810-01-142-4264. 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.