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8X0017PC1H2A — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8X0017PC1H2A: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, seat_radius: 0.373 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN, flange_diameter: 2.375 INCHES NOMINAL IN, style_designator: PLAIN FLANGED, under_flange_height: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN, body_inside_diameter: 1.248 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-978-2320, 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
8X0017PC1H2A
NSN: 4820-00-978-2320
FSC: 4820 — Valves, Nonpowered
CAGE: 72957 — ELLIOTT COMPANY DIV JEANNETTE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
seat_radius0.373 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
flange_diameter2.375 INCHES NOMINAL IN
style_designatorPLAIN FLANGED
under_flange_height0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
body_inside_diameter1.248 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
body_outside_diameter2.124 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN
seating_surface_shapeRADIAL
flange_seat_to_disk_end_height0.500 INCHES NOMINAL IN
material_document_and_classification17-4PH,ARMCO STEEL CORP MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN4820-00-978-2320
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8X0017PC1H2A · 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: 0.500 INCHES NOMINAL IN
•
FLANGE DIAMETER: 2.375 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 2.124 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
MATERIAL DOCUMENT AND CLASSIFICATION: 17-4PH,ARMCO STEEL CORP MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 1.248 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
•
SEAT RADIUS: 0.373 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
•
UNDER FLANGE HEIGHT: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.500 INCHES NOMINAL IN
FLANGE DIAMETER2.375 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER2.124 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN FLANGED
MATERIAL DOCUMENT AND CLASSIFICATION17-4PH,ARMCO STEEL CORP MFR REF SINGLE MATERIAL RESPONSE OVERALL
BODY INSIDE DIAMETER1.248 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
SEAT RADIUS0.373 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
UNDER FLANGE HEIGHT0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SEATING SURFACE SHAPERADIAL
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
8X0017-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 8X0017PC1H2A?
8X0017PC1H2A is a SEAT,VALVE.
What parts can replace 8X0017PC1H2A?
There is 1 known substitute for 8X0017PC1H2A: 8X0017-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 8X0017PC1H2A?
8X0017PC1H2A is cataloged in the U.S. Government catalog under NSN 4820-00-978-2320. 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.