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8528187 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8528187: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, thread_class: 3A A, overall_height: 1.146 INCHES MINIMUM AND 1.166 INCHES MAXIMUM IN, outside_diameter: 0.186 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN, nominal_thread_size: 0.188 INCHES IN, thread_series_designator: UNF. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-623-7109, 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
8528187
NSN: 4820-00-623-7109
FSC: 4820 — Valves, Nonpowered
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
thread_class3A A
overall_height1.146 INCHES MINIMUM AND 1.166 INCHES MAXIMUM IN
outside_diameter0.186 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
nominal_thread_size0.188 INCHES IN
thread_series_designatorUNF
NSN4820-00-623-7109
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8528187 · 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: 0.186 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
•
NOMINAL THREAD SIZE: 0.188 INCHES IN
•
THREAD CLASS: 3A A
•
MATERIAL: STEEL CORROSION RESISTING
•
THREAD SERIES DESIGNATOR: UNF
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.146 INCHES MINIMUM AND 1.166 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.186 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.188 INCHES IN
THREAD CLASS3A 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8528187?
8528187 is a DISK,VALVE.
What is the NSN for 8528187?
8528187 is cataloged in the U.S. Government catalog under NSN 4820-00-623-7109. 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.