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MAI9530264 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

MAI9530264: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, flange_diameter: 1.359 INCHES NOMINAL IN, hardness_rating: 55.0 BRINELL STANDARD NOMINAL OVERALL, style_designator: PLAIN FLANGED, under_flange_height: 0.250 INCHES NOMINAL IN, body_inside_diameter: 0.984 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-953-0264, 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
MAI9530264
NSN: 4820-00-953-0264
FSC: 4820 — Valves, Nonpowered
CAGE: 55084 — ARGUS MFG CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
flange_diameter1.359 INCHES NOMINAL IN
hardness_rating55.0 BRINELL STANDARD NOMINAL OVERALL
style_designatorPLAIN FLANGED
under_flange_height0.250 INCHES NOMINAL IN
body_inside_diameter0.984 INCHES NOMINAL IN
body_outside_diameter1.109 INCHES NOMINAL IN
seating_surface_shapeFLAT
flange_seat_to_disk_end_height0.375 INCHES NOMINAL IN
NSN4820-00-953-0264
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: MAI9530264 · 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: 0.375 INCHES NOMINAL IN
•
FLANGE DIAMETER: 1.359 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 1.109 INCHES NOMINAL IN
•
HARDNESS RATING: 55.0 BRINELL STANDARD NOMINAL OVERALL
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 0.984 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 0.250 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.375 INCHES NOMINAL IN
FLANGE DIAMETER1.359 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.109 INCHES NOMINAL IN
HARDNESS RATING55.0 BRINELL STANDARD NOMINAL OVERALL
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER0.984 INCHES NOMINAL IN
UNDER FLANGE HEIGHT0.250 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
SEATING SURFACE SHAPEFLAT
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 4
HL19625PC79Reference document
Same NSN cross-reference
Reference document — Secondary reference
SET144Reference document
Same NSN cross-reference
Reference document — Secondary reference
1418N-APSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1418NReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MAI9530264?
MAI9530264 is a SEAT,VALVE.
What parts can replace MAI9530264?
There are 4 known substitutes for MAI9530264: HL19625PC79, SET144, 1418N-AP and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MAI9530264?
MAI9530264 is cataloged in the U.S. Government catalog under NSN 4820-00-953-0264. 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.