PartsTable
Technical Data Sheet
Download PDF

F20G8041121-501 — VALVE,GATE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

F20G8041121-501: VALVE,GATE.

The VALVE,GATE is a the manufacturer industrial component. Key specifications include material: ALUMINUM SEAT, stem_type: NONRISING, valve_size: 2.844 INCHES IN, bonnet_type: PACKING RETAINING, connection_type: FLANGE, ROUND W/HOLES, flange_diameter: 4.450 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-438-6830, 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
F20G8041121-501
NSN: 4820-01-438-6830
FSC: 4820 — Valves, Nonpowered
CAGE: 56338 — DASSAULT FALCON JET CORP MRS PROGRAM (USA)
SPECIFICATIONS
materialALUMINUM SEAT
stem_typeNONRISING
valve_size2.844 INCHES IN
bonnet_typePACKING RETAINING
connection_typeFLANGE, ROUND W/HOLES
flange_diameter4.450 INCHES IN
bolt_hole_quantity4
flange_face_designPLAIN
face_to_face_distance0.050 INCHES IN
valve_operation_methodMANUAL
end_item_identificationHU-25 COAST GUARD AIRCRAFT
inlet_relationship_with_outletIDENTICAL
NSN4820-01-438-6830
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: F20G8041121-501 · 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
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
•
FLANGE FACE DESIGN: PLAIN
•
STEM TYPE: NONRISING
•
CONNECTION TYPE: FLANGE, ROUND W/HOLES
•
VALVE SIZE: 2.844 INCHES IN
•
BONNET TYPE: PACKING RETAINING
•
BOLT HOLE QUANTITY: 4
•
FLANGE DIAMETER: 4.450 INCHES IN
TECHNICAL CHARACTERISTICS
INLET RELATIONSHIP WITH OUTLETIDENTICAL
FLANGE FACE DESIGNPLAIN
STEM TYPENONRISING
CONNECTION TYPEFLANGE, ROUND W/HOLES
VALVE SIZE2.844 INCHES IN
BONNET TYPEPACKING RETAINING
BOLT HOLE QUANTITY4
FLANGE DIAMETER4.450 INCHES IN
FACE TO FACE DISTANCE0.050 INCHES IN
END ITEM IDENTIFICATIONHU-25 COAST GUARD AIRCRAFT
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
No demilitarization required
Ready to buy F20G8041121-501?
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 F20G8041121-501?
F20G8041121-501 is a VALVE,GATE.
What is the NSN for F20G8041121-501?
F20G8041121-501 is cataloged in the U.S. Government catalog under NSN 4820-01-438-6830. 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 — F20G8041121-501

✓ 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.