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13E757-7 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

13E757-7: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include flange_diameter: 6.355 INCHES MINIMUM AND 6.365 INCHES MAXIMUM IN, style_designator: PLAIN FLANGED, under_flange_height: 6.703 INCHES NOMINAL IN, body_inside_diameter: 5.516 INCHES NOMINAL IN, body_outside_diameter: 5.969 INCHES NOMINAL IN, flange_seat_to_disk_end_height: 2.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-388-1233, 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
13E757-7
NSN: 4820-00-388-1233
FSC: 4820 — Valves, Nonpowered
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
flange_diameter6.355 INCHES MINIMUM AND 6.365 INCHES MAXIMUM IN
style_designatorPLAIN FLANGED
under_flange_height6.703 INCHES NOMINAL IN
body_inside_diameter5.516 INCHES NOMINAL IN
body_outside_diameter5.969 INCHES NOMINAL IN
flange_seat_to_disk_end_height2.000 INCHES NOMINAL IN
NSN4820-00-388-1233
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 13E757-7 · 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: 2.000 INCHES NOMINAL IN
•
FLANGE DIAMETER: 6.355 INCHES MINIMUM AND 6.365 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 5.969 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 5.516 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 6.703 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT2.000 INCHES NOMINAL IN
FLANGE DIAMETER6.355 INCHES MINIMUM AND 6.365 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER5.969 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER5.516 INCHES NOMINAL IN
UNDER FLANGE HEIGHT6.703 INCHES NOMINAL IN
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 1
16F801 PIECE 43Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 13E757-7?
13E757-7 is a SEAT,VALVE.
What parts can replace 13E757-7?
There is 1 known substitute for 13E757-7: 16F801 PIECE 43. Substitute compatibility should be verified for your specific system.
What is the NSN for 13E757-7?
13E757-7 is cataloged in the U.S. Government catalog under NSN 4820-00-388-1233. 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.