PartsTable
Technical Data Sheet
Download PDF

V-3055 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

V-3055: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, flange_diameter: 0.7460 INCHES MINIMUM AND 0.7480 INCHES MAXIMUM IN, style_designator: PLAIN FLANGED, seat_angle_in_deg: 45.000 NOMINAL, under_flange_height: 0.1820 INCHES MINIMUM AND 0.1920 INCHES MAXIMUM IN, body_inside_diameter: 0.4995 INCHES MINIMUM AND 0.5010 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-390-4192, 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
V-3055
NSN: 4820-00-390-4192
NIINs: 003904192, 010892037
FSC: 4820 — Valves, Nonpowered
CAGE: 97370 — SPX FLOW US, LLC DBA SPX VALVES & CONTROLS (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
flange_diameter0.7460 INCHES MINIMUM AND 0.7480 INCHES MAXIMUM IN
style_designatorPLAIN FLANGED
seat_angle_in_deg45.000 NOMINAL
under_flange_height0.1820 INCHES MINIMUM AND 0.1920 INCHES MAXIMUM IN
body_inside_diameter0.4995 INCHES MINIMUM AND 0.5010 INCHES MAXIMUM IN
body_outside_diameter0.6220 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN
seating_surface_shapeANGULAR
flange_seat_to_disk_end_height0.1560 INCHES NOMINAL IN
material_document_and_classificationQQ-B-750 FED SPEC ALL MATERIAL RESPONSES OVERALL
NSN4820-00-390-4192
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: V-3055 · 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: 0.1560 INCHES NOMINAL IN
•
FLANGE DIAMETER: 0.7460 INCHES MINIMUM AND 0.7480 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.6220 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-750 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
BODY INSIDE DIAMETER: 0.4995 INCHES MINIMUM AND 0.5010 INCHES MAXIMUM IN
•
UNDER FLANGE HEIGHT: 0.1820 INCHES MINIMUM AND 0.1920 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY 510 OVERALL
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.1560 INCHES NOMINAL IN
FLANGE DIAMETER0.7460 INCHES MINIMUM AND 0.7480 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.6220 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN FLANGED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-750 FED SPEC ALL MATERIAL RESPONSES OVERALL
BODY INSIDE DIAMETER0.4995 INCHES MINIMUM AND 0.5010 INCHES MAXIMUM IN
UNDER FLANGE HEIGHT0.1820 INCHES MINIMUM AND 0.1920 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 510 OVERALL
SEAT ANGLE IN DEG45.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
SUBSTITUTES & CROSS-REFERENCES 9
10951-2PC52Reference document
Same NSN cross-reference
Reference document — Secondary reference
9428PCV2670Reference document
Same NSN cross-reference
Reference document — Secondary reference
10951P52Reference document
Same NSN cross-reference
Reference document — Secondary reference
10111-2PC52Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
V4960Reference document
Same NSN cross-reference
Reference document — Secondary reference
11506-4PCV3055Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy V-3055?
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 V-3055?
V-3055 is a SEAT,VALVE.
What parts can replace V-3055?
There are 9 known substitutes for V-3055: 10951-2PC52, 9428PCV2670, 10951P52 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for V-3055?
V-3055 is cataloged in the U.S. Government catalog under NSN 4820-00-390-4192. 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 — V-3055

✓ 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.