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YBA-657-4 — TAILPIECE,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

YBA-657-4: TAILPIECE,VALVE.

The TAILPIECE,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, design_type: STRAIGHT, end_item_identification: USED ON THE STRATEGIC SEALIFT CONVERSION SHIPS CLASS, valve_size_for_which_designed: 0.500 INCHES IN, valve_model_number_for_which_designed: VB-9314. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-428-3153, 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
YBA-657-4
NSN: 4820-01-428-3153
FSC: 4820 — Valves, Nonpowered
CAGE: 65149 — BARBER-COLMAN CO ENVIRONMENTAL CONTROLS DIV (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
design_typeSTRAIGHT
end_item_identificationUSED ON THE STRATEGIC SEALIFT CONVERSION SHIPS CLASS
valve_size_for_which_designed0.500 INCHES IN
valve_model_number_for_which_designedVB-9314
NSN4820-01-428-3153
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: YBA-657-4 · 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
•
DESIGN TYPE: STRAIGHT
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: VB-9314
•
VALVE SIZE FOR WHICH DESIGNED: 0.500 INCHES IN
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
DESIGN TYPESTRAIGHT
VALVE MODEL NUMBER FOR WHICH DESIGNEDVB-9314
VALVE SIZE FOR WHICH DESIGNED0.500 INCHES IN
END ITEM IDENTIFICATIONUSED ON THE STRATEGIC SEALIFT CONVERSION SHIPS CLASS
MATERIALSTEEL CORROSION RESISTING
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 YBA-657-4?
YBA-657-4 is a TAILPIECE,VALVE.
What is the NSN for YBA-657-4?
YBA-657-4 is cataloged in the U.S. Government catalog under NSN 4820-01-428-3153. 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.