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AS144355P30 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

AS144355P30: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL BODY, flange_diameter: 2.850 INCHES MINIMUM AND 2.851 INCHES MAXIMUM IN, hardness_rating: 90.0 ROCKWELL B MINIMUM AND 105.0 ROCKWELL B MAXIMUM BODY, style_designator: PLAIN FLANGED, seat_angle_in_deg: 44.500 MINIMUM AND 45.500 MAXIMUM, under_flange_height: 0.116 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-026-0456, 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
AS144355P30
NSN: 4820-00-026-0456
FSC: 4820 — Valves, Nonpowered
CAGE: 12776 — AIRCRAFT SUPPLIES (USA)
SPECIFICATIONS
materialSTEEL BODY
flange_diameter2.850 INCHES MINIMUM AND 2.851 INCHES MAXIMUM IN
hardness_rating90.0 ROCKWELL B MINIMUM AND 105.0 ROCKWELL B MAXIMUM BODY
style_designatorPLAIN FLANGED
seat_angle_in_deg44.500 MINIMUM AND 45.500 MAXIMUM
under_flange_height0.116 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
body_inside_diameter2.335 INCHES MINIMUM AND 2.345 INCHES MAXIMUM IN
fsc_application_dataACFT ENG R2800
body_outside_diameter2.367 INCHES MINIMUM AND 2.371 INCHES MAXIMUM IN
seating_surface_shapeANGULAR
end_item_identificationACFT ENG R2800
flange_seat_to_disk_end_height0.436 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
NSN4820-00-026-0456
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: AS144355P30 · 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: 0.436 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
•
FLANGE DIAMETER: 2.850 INCHES MINIMUM AND 2.851 INCHES MAXIMUM IN
•
FSC APPLICATION DATA: ACFT ENG R2800
•
BODY OUTSIDE DIAMETER: 2.367 INCHES MINIMUM AND 2.371 INCHES MAXIMUM IN
•
HARDNESS RATING: 90.0 ROCKWELL B MINIMUM AND 105.0 ROCKWELL B MAXIMUM BODY
•
STYLE DESIGNATOR: PLAIN FLANGED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5700 ASSN STD SINGLE MATERIAL RESPONSE BODY
•
BODY INSIDE DIAMETER: 2.335 INCHES MINIMUM AND 2.345 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.436 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
FLANGE DIAMETER2.850 INCHES MINIMUM AND 2.851 INCHES MAXIMUM IN
FSC APPLICATION DATAACFT ENG R2800
BODY OUTSIDE DIAMETER2.367 INCHES MINIMUM AND 2.371 INCHES MAXIMUM IN
HARDNESS RATING90.0 ROCKWELL B MINIMUM AND 105.0 ROCKWELL B MAXIMUM BODY
STYLE DESIGNATORPLAIN FLANGED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5700 ASSN STD SINGLE MATERIAL RESPONSE BODY
BODY INSIDE DIAMETER2.335 INCHES MINIMUM AND 2.345 INCHES MAXIMUM IN
UNDER FLANGE HEIGHT0.116 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONACFT ENG R2800
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 1
144355P30Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS144355P30?
AS144355P30 is a SEAT,VALVE.
What parts can replace AS144355P30?
There is 1 known substitute for AS144355P30: 144355P30. Substitute compatibility should be verified for your specific system.
What is the NSN for AS144355P30?
AS144355P30 is cataloged in the U.S. Government catalog under NSN 4820-00-026-0456. 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.