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JL5307 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

JL5307: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, flange_diameter: 0.452 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN, style_designator: PLAIN FLANGED, seat_angle_in_deg: 30.000 NOMINAL, surface_treatment: PASSIVATE OVERALL, under_flange_height: 1.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-339-5151, 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
JL5307
NSN: 4820-00-339-5151
FSC: 4820 — Valves, Nonpowered
CAGE: 12736 — CLAYTON MANUFACTURING COMPANY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
flange_diameter0.452 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
style_designatorPLAIN FLANGED
seat_angle_in_deg30.000 NOMINAL
surface_treatmentPASSIVATE OVERALL
under_flange_height1.000 INCHES NOMINAL IN
body_inside_diameter0.215 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN
body_outside_diameter0.235 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
seating_surface_shapeANGULAR
flange_seat_to_disk_end_height0.181 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN
NSN4820-00-339-5151
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: JL5307 · 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: 0.181 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN
•
FLANGE DIAMETER: 0.452 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.235 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 0.215 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
UNDER FLANGE HEIGHT: 1.000 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.181 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN
FLANGE DIAMETER0.452 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.235 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER0.215 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
UNDER FLANGE HEIGHT1.000 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
SEAT ANGLE IN DEG30.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
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 JL5307?
JL5307 is a SEAT,VALVE.
What is the NSN for JL5307?
JL5307 is cataloged in the U.S. Government catalog under NSN 4820-00-339-5151. 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.