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894B432PC3 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

894B432PC3: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: COBALT ALLOY FACE, seat_radius: 0.707 INCHES MINIMUM AND 0.717 INCHES MAXIMUM IN, flange_diameter: 4.937 INCHES MINIMUM AND 4.938 INCHES MAXIMUM IN, style_designator: PLAIN FLANGED, under_flange_height: 1.873 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN, body_inside_diameter: 2.042 INCHES MINIMUM AND 2.052 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-923-6853, 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
894B432PC3
NSN: 4820-00-923-6853
FSC: 4820 — Valves, Nonpowered
CAGE: 01289 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialCOBALT ALLOY FACE
seat_radius0.707 INCHES MINIMUM AND 0.717 INCHES MAXIMUM IN
flange_diameter4.937 INCHES MINIMUM AND 4.938 INCHES MAXIMUM IN
style_designatorPLAIN FLANGED
under_flange_height1.873 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
body_inside_diameter2.042 INCHES MINIMUM AND 2.052 INCHES MAXIMUM IN
taper_minor_diameter2.042 INCHES MINIMUM AND 2.052 INCHES MAXIMUM IN
body_outside_diameter3.820 INCHES NOMINAL IN
seating_surface_shapeRADIAL
flange_seat_to_disk_end_height1.625 INCHES MINIMUM AND 1.627 INCHES MAXIMUM IN
material_document_and_classificationMIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE
NSN4820-00-923-6853
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 894B432PC3 · 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: 1.625 INCHES MINIMUM AND 1.627 INCHES MAXIMUM IN
•
FLANGE DIAMETER: 4.937 INCHES MINIMUM AND 4.938 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 3.820 INCHES NOMINAL IN
•
TAPER MINOR DIAMETER: 2.042 INCHES MINIMUM AND 2.052 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE
•
BODY INSIDE DIAMETER: 2.042 INCHES MINIMUM AND 2.052 INCHES MAXIMUM IN
•
SEAT RADIUS: 0.707 INCHES MINIMUM AND 0.717 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT1.625 INCHES MINIMUM AND 1.627 INCHES MAXIMUM IN
FLANGE DIAMETER4.937 INCHES MINIMUM AND 4.938 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER3.820 INCHES NOMINAL IN
TAPER MINOR DIAMETER2.042 INCHES MINIMUM AND 2.052 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN FLANGED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE
BODY INSIDE DIAMETER2.042 INCHES MINIMUM AND 2.052 INCHES MAXIMUM IN
SEAT RADIUS0.707 INCHES MINIMUM AND 0.717 INCHES MAXIMUM IN
UNDER FLANGE HEIGHT1.873 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
MATERIALCOBALT ALLOY FACE
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

No substitute or cross-reference records for this part.

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 894B432PC3?
894B432PC3 is a SEAT,VALVE.
What is the NSN for 894B432PC3?
894B432PC3 is cataloged in the U.S. Government catalog under NSN 4820-00-923-6853. 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.