PartsTable
Technical Data Sheet
Download PDF

870B324-2 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

870B324-2: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include seat_radius: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN, flange_diameter: 4.187 INCHES MINIMUM AND 4.188 INCHES MAXIMUM IN, style_designator: PLAIN FLANGED, under_flange_height: 1.873 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN, body_inside_diameter: 2.156 INCHES MINIMUM AND 2.166 INCHES MAXIMUM IN, body_outside_diameter: 3.120 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-756-9610, 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
870B324-2
NSN: 4820-00-756-9610
FSC: 4820 — Valves, Nonpowered
CAGE: 01289 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
seat_radius0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
flange_diameter4.187 INCHES MINIMUM AND 4.188 INCHES MAXIMUM IN
style_designatorPLAIN FLANGED
under_flange_height1.873 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
body_inside_diameter2.156 INCHES MINIMUM AND 2.166 INCHES MAXIMUM IN
body_outside_diameter3.120 INCHES NOMINAL IN
seating_surface_shapeRADIAL
flange_seat_to_disk_end_height1.625 INCHES MINIMUM AND 1.627 INCHES MAXIMUM IN
NSN4820-00-756-9610
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 870B324-2 · 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: 4.187 INCHES MINIMUM AND 4.188 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 3.120 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 2.156 INCHES MINIMUM AND 2.166 INCHES MAXIMUM IN
•
SEAT RADIUS: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
•
UNDER FLANGE HEIGHT: 1.873 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
•
SEATING SURFACE SHAPE: RADIAL
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT1.625 INCHES MINIMUM AND 1.627 INCHES MAXIMUM IN
FLANGE DIAMETER4.187 INCHES MINIMUM AND 4.188 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER3.120 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER2.156 INCHES MINIMUM AND 2.166 INCHES MAXIMUM IN
SEAT RADIUS0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
UNDER FLANGE HEIGHT1.873 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
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 4
7312E97PIECE42Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
428B947PIECE10Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
870B324PIECE2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
J3330400PC42Same 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
Ready to buy 870B324-2?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 870B324-2?
870B324-2 is a SEAT,VALVE.
What parts can replace 870B324-2?
There are 4 known substitutes for 870B324-2: 7312E97PIECE42, 428B947PIECE10, 870B324PIECE2 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 870B324-2?
870B324-2 is cataloged in the U.S. Government catalog under NSN 4820-00-756-9610. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 870B324-2

✓ 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.