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1106J21 PIECE 5 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1106J21 PIECE 5: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: COBALT ALLOY SEAT, seat_radius: 0.18406 INCHES NOMINAL IN, flange_diameter: 4.250 INCHES NOMINAL IN, hardness_rating: 40.0 ROCKWELL C NOMINAL SEAT, style_designator: PLAIN FLANGED, under_flange_height: 2.002 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-084-8336, 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
1106J21 PIECE 5
NSN: 4820-01-084-8336
FSC: 4820 — Valves, Nonpowered
CAGE: 01289 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialCOBALT ALLOY SEAT
seat_radius0.18406 INCHES NOMINAL IN
flange_diameter4.250 INCHES NOMINAL IN
hardness_rating40.0 ROCKWELL C NOMINAL SEAT
style_designatorPLAIN FLANGED
under_flange_height2.002 INCHES NOMINAL IN
body_inside_diameter2.578 INCHES NOMINAL IN
body_outside_diameter3.620 INCHES NOMINAL IN
seating_surface_shapeRADIAL
flange_seat_to_disk_end_height0.938 INCHES NOMINAL IN
NSN4820-01-084-8336
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1106J21 PIECE 5 · 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: 0.938 INCHES NOMINAL IN
•
FLANGE DIAMETER: 4.250 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 3.620 INCHES NOMINAL IN
•
HARDNESS RATING: 40.0 ROCKWELL C NOMINAL SEAT
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 2.578 INCHES NOMINAL IN
•
SEAT RADIUS: 0.18406 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 2.002 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.938 INCHES NOMINAL IN
FLANGE DIAMETER4.250 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER3.620 INCHES NOMINAL IN
HARDNESS RATING40.0 ROCKWELL C NOMINAL SEAT
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER2.578 INCHES NOMINAL IN
SEAT RADIUS0.18406 INCHES NOMINAL IN
UNDER FLANGE HEIGHT2.002 INCHES NOMINAL IN
MATERIALCOBALT ALLOY SEAT
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1106J21 PIECE 5?
1106J21 PIECE 5 is a SEAT,VALVE.
What is the NSN for 1106J21 PIECE 5?
1106J21 PIECE 5 is cataloged in the U.S. Government catalog under NSN 4820-01-084-8336. This indicates validated use in U.S. government and defense supply chains.
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