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D55115A PIECE9 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

D55115A PIECE9: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, seat_angle: 35.0 DEGREES NOMINAL, thread_class: 2A A, overall_height: 0.717 INCHES NOMINAL IN, shoulder_width: 0.328 INCHES NOMINAL IN, shoulder_height: 0.312 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-127-2471, 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
D55115A PIECE9
NSN: 4820-01-127-2471
FSC: 4820 — Valves, Nonpowered
CAGE: 48422 — WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
seat_angle35.0 DEGREES NOMINAL
thread_class2A A
overall_height0.717 INCHES NOMINAL IN
shoulder_width0.328 INCHES NOMINAL IN
shoulder_height0.312 INCHES NOMINAL IN
style_designatorPLUG
nominal_thread_size0.250 INCHES IN
thread_series_designatorUNF
NSN4820-01-127-2471
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D55115A PIECE9 · 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
•
SHOULDER WIDTH: 0.328 INCHES NOMINAL IN
•
SHOULDER HEIGHT: 0.312 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLUG
•
SEAT ANGLE: 35.0 DEGREES NOMINAL
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
THREAD CLASS: 2A A
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.717 INCHES NOMINAL IN
SHOULDER WIDTH0.328 INCHES NOMINAL IN
SHOULDER HEIGHT0.312 INCHES NOMINAL IN
STYLE DESIGNATORPLUG
SEAT ANGLE35.0 DEGREES NOMINAL
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD CLASS2A A
MATERIALSTEEL CORROSION RESISTING
THREAD SERIES DESIGNATORUNF
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 D55115A PIECE9?
D55115A PIECE9 is a DISK,VALVE.
What is the NSN for D55115A PIECE9?
D55115A PIECE9 is cataloged in the U.S. Government catalog under NSN 4820-01-127-2471. 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.