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12321874 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

12321874: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1211 OR STEEL COMP 1213 OVERALL, flange_diameter: 1.748 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN, hardness_rating: 50.0 ROCKWELL C NOMINAL OVERALL, style_designator: FAUCET, under_flange_height: 1.120 INCHES NOMINAL IN, body_inside_diameter: 0.959 INCHES MINIMUM AND 0.960 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-199-5437, 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
12321874
NSN: 4810-01-199-5437
FSC: 4810 — Valves, Powered
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1211 OR STEEL COMP 1213 OVERALL
flange_diameter1.748 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
hardness_rating50.0 ROCKWELL C NOMINAL OVERALL
style_designatorFAUCET
under_flange_height1.120 INCHES NOMINAL IN
body_inside_diameter0.959 INCHES MINIMUM AND 0.960 INCHES MAXIMUM IN
body_outside_diameter1.150 INCHES NOMINAL IN
seating_surface_shapeFLAT
flange_seat_to_disk_end_height0.400 INCHES NOMINAL IN
NSN4810-01-199-5437
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 12321874 · 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: 0.400 INCHES NOMINAL IN
•
FLANGE DIAMETER: 1.748 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 1.150 INCHES NOMINAL IN
•
HARDNESS RATING: 50.0 ROCKWELL C NOMINAL OVERALL
•
STYLE DESIGNATOR: FAUCET
•
BODY INSIDE DIAMETER: 0.959 INCHES MINIMUM AND 0.960 INCHES MAXIMUM IN
•
UNDER FLANGE HEIGHT: 1.120 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1211 OR STEEL COMP 1213 OVERALL
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.400 INCHES NOMINAL IN
FLANGE DIAMETER1.748 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER1.150 INCHES NOMINAL IN
HARDNESS RATING50.0 ROCKWELL C NOMINAL OVERALL
STYLE DESIGNATORFAUCET
BODY INSIDE DIAMETER0.959 INCHES MINIMUM AND 0.960 INCHES MAXIMUM IN
UNDER FLANGE HEIGHT1.120 INCHES NOMINAL IN
MATERIALSTEEL COMP 1211 OR STEEL COMP 1213 OVERALL
SEATING SURFACE SHAPEFLAT
OTHER ITEMS IN FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12321874?
12321874 is a SEAT,VALVE.
What is the NSN for 12321874?
12321874 is cataloged in the U.S. Government catalog under NSN 4810-01-199-5437. 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.