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9521 PIECE 8E — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

9521 PIECE 8E: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include temp_rating: 180.0 FAHRENHEIT NOMINAL DEGF, pressure_rating: 460.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, special_features: FOR SAFETY RELIEF VALVE, media_for_which_designed: AIR. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-359-8490, 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
9521 PIECE 8E
NSN: 4820-01-359-8490
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
temp_rating180.0 FAHRENHEIT NOMINAL DEGF
pressure_rating460.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
special_featuresFOR SAFETY RELIEF VALVE
media_for_which_designedAIR
NSN4820-01-359-8490
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 9521 PIECE 8E · 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
•
PRESSURE RATING: 460.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
TEMP RATING: 180.0 FAHRENHEIT NOMINAL DEGF
•
MEDIA FOR WHICH DESIGNED: AIR
TECHNICAL CHARACTERISTICS
PRESSURE RATING460.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
TEMP RATING180.0 FAHRENHEIT NOMINAL DEGF
SPECIAL FEATURESFOR SAFETY RELIEF VALVE
MEDIA FOR WHICH DESIGNEDAIR
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 9521 PIECE 8E?
9521 PIECE 8E is a DISK,VALVE.
What is the NSN for 9521 PIECE 8E?
9521 PIECE 8E is cataloged in the U.S. Government catalog under NSN 4820-01-359-8490. 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.