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428B948-002 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

428B948-002: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, seat_radius: 0.485 INCHES NOMINAL IN, overall_height: 3.145 INCHES NOMINAL IN, outside_diameter: 2.871 INCHES NOMINAL IN, special_features: FOR 2-1/4 IN. SIZE VALVE IN, style_designator: PLUG.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-175-1986, 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
428B948-002
NSN: 4820-01-175-1986
FSC: 4820 — Valves, Nonpowered
CAGE: 01289 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialSTEEL
seat_radius0.485 INCHES NOMINAL IN
overall_height3.145 INCHES NOMINAL IN
outside_diameter2.871 INCHES NOMINAL IN
special_featuresFOR 2-1/4 IN. SIZE VALVE IN
style_designatorPLUG
NSN4820-01-175-1986
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 428B948-002 · 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
•
OUTSIDE DIAMETER: 2.871 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLUG
•
SEAT RADIUS: 0.485 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT3.145 INCHES NOMINAL IN
OUTSIDE DIAMETER2.871 INCHES NOMINAL IN
STYLE DESIGNATORPLUG
SEAT RADIUS0.485 INCHES NOMINAL IN
SPECIAL FEATURESFOR 2-1/4 IN. SIZE VALVE IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
428B948Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 428B948-002?
428B948-002 is a DISK,VALVE.
What parts can replace 428B948-002?
There is 1 known substitute for 428B948-002: 428B948. Substitute compatibility should be verified for your specific system.
What is the NSN for 428B948-002?
428B948-002 is cataloged in the U.S. Government catalog under NSN 4820-01-175-1986. 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.