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858844-1 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

858844-1: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flange_diameter: 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, style_designator: PLAIN FLANGED, under_flange_height: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN, body_inside_diameter: 0.176 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN, fsc_application_data: VALVE,REGULATING,FLUID PRESSURE,POWERED. This part is cataloged in the U.S.

Government catalog under NSN 4810-00-835-0271, 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
858844-1
NSN: 4810-00-835-0271
FSC: 4810 — Valves, Powered
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flange_diameter0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
style_designatorPLAIN FLANGED
under_flange_height0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
body_inside_diameter0.176 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
fsc_application_dataVALVE,REGULATING,FLUID PRESSURE,POWERED
body_outside_diameter0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
seating_surface_shapeFLAT
end_item_identification4810008916356 392910-1-1
flange_seat_to_disk_end_height0.040 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
NSN4810-00-835-0271
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 858844-1 · 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: 0.040 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
•
FLANGE DIAMETER: 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
FSC APPLICATION DATA: VALVE,REGULATING,FLUID PRESSURE,POWERED
•
BODY OUTSIDE DIAMETER: 0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 0.176 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
•
UNDER FLANGE HEIGHT: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.040 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
FLANGE DIAMETER0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
FSC APPLICATION DATAVALVE,REGULATING,FLUID PRESSURE,POWERED
BODY OUTSIDE DIAMETER0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER0.176 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
UNDER FLANGE HEIGHT0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
END ITEM IDENTIFICATION4810008916356 392910-1-1
MATERIALSTEEL 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 858844-1?
858844-1 is a SEAT,VALVE.
What is the NSN for 858844-1?
858844-1 is cataloged in the U.S. Government catalog under NSN 4810-00-835-0271. 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.