PartsTable
Technical Data Sheet
Download PDF

2HG442 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2HG442: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL SEAT, flange_diameter: 0.869 INCHES NOMINAL IN, style_designator: PLAIN FLANGED, under_flange_height: 0.130 INCHES NOMINAL IN, body_inside_diameter: 0.575 INCHES NOMINAL IN, body_outside_diameter: 0.686 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-351-8166, 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
2HG442
NSN: 4810-01-351-8166
FSC: 4810 — Valves, Powered
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL SEAT
flange_diameter0.869 INCHES NOMINAL IN
style_designatorPLAIN FLANGED
under_flange_height0.130 INCHES NOMINAL IN
body_inside_diameter0.575 INCHES NOMINAL IN
body_outside_diameter0.686 INCHES NOMINAL IN
seating_surface_shapeFLAT
end_item_identification2320-01-304-2277 PLS (PALLETIZED LOADING SYSTEM)
flange_seat_to_disk_end_height0.343 INCHES NOMINAL IN
NSN4810-01-351-8166
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2HG442 · 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: 0.343 INCHES NOMINAL IN
•
FLANGE DIAMETER: 0.869 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.686 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 0.575 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 0.130 INCHES NOMINAL IN
•
MATERIAL: STEEL SEAT
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.343 INCHES NOMINAL IN
FLANGE DIAMETER0.869 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.686 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER0.575 INCHES NOMINAL IN
UNDER FLANGE HEIGHT0.130 INCHES NOMINAL IN
END ITEM IDENTIFICATION2320-01-304-2277 PLS (PALLETIZED LOADING SYSTEM)
MATERIALSTEEL SEAT
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: Terminal item — stock exhausted; no further procurementNo demilitarization required
Ready to buy 2HG442?
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 2HG442?
2HG442 is a SEAT,VALVE.
What is the NSN for 2HG442?
2HG442 is cataloged in the U.S. Government catalog under NSN 4810-01-351-8166. 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 — 2HG442

✓ 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.