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57-G-0152V0020 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

57-G-0152V0020: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.625 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 5.375 INCHES NOMINAL IN, style_designator: THREADED FLANGED, seat_angle_in_deg: 45.000 NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-336-9306, 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
57-G-0152V0020
NSN: 4820-00-336-9306
FSC: 4820 — Valves, Nonpowered
CAGE: 53553 — AMETEK INC SCHUTTE AND KOERTING DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class2A SINGLE THREADED PORTION A
thread_length0.625 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter5.375 INCHES NOMINAL IN
style_designatorTHREADED FLANGED
seat_angle_in_deg45.000 NOMINAL
nominal_thread_size4.000 INCHES SINGLE THREADED PORTION IN
under_flange_height0.750 INCHES NOMINAL IN
body_inside_diameter1.000 INCHES NOMINAL IN
seating_surface_shapeANGULAR
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE THREADED PORTION
flange_seat_to_disk_end_height0.750 INCHES NOMINAL IN
NSN4820-00-336-9306
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 57-G-0152V0020 · 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: 0.750 INCHES NOMINAL IN
•
FLANGE DIAMETER: 5.375 INCHES NOMINAL IN
•
THREAD LENGTH: 0.625 INCHES NOMINAL SINGLE THREADED PORTION IN
•
STYLE DESIGNATOR: THREADED FLANGED
•
BODY INSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 4.000 INCHES SINGLE THREADED PORTION IN
•
UNDER FLANGE HEIGHT: 0.750 INCHES NOMINAL IN
•
THREAD CLASS: 2A SINGLE THREADED PORTION A
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.750 INCHES NOMINAL IN
FLANGE DIAMETER5.375 INCHES NOMINAL IN
THREAD LENGTH0.625 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATORTHREADED FLANGED
BODY INSIDE DIAMETER1.000 INCHES NOMINAL IN
NOMINAL THREAD SIZE4.000 INCHES SINGLE THREADED PORTION IN
UNDER FLANGE HEIGHT0.750 INCHES NOMINAL IN
THREAD CLASS2A SINGLE THREADED PORTION A
MATERIALSTEEL OVERALL
SEAT ANGLE IN DEG45.000 NOMINAL
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
55A15PC3Same 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 57-G-0152V0020?
57-G-0152V0020 is a SEAT,VALVE.
What parts can replace 57-G-0152V0020?
There is 1 known substitute for 57-G-0152V0020: 55A15PC3. Substitute compatibility should be verified for your specific system.
What is the NSN for 57-G-0152V0020?
57-G-0152V0020 is cataloged in the U.S. Government catalog under NSN 4820-00-336-9306. 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.