PartsTable
Technical Data Sheet

S90060/300121 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

S90060/300121: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, outside_diameter: 0.442 INCHES NOMINAL IN, special_features: INCLUDES O-RING, style_designator: SWING CHECK, flange_seat_to_disk_end_height: 0.504 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-307-8103, 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
S90060/300121
NSN: 4820-00-307-8103
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialSTEEL
outside_diameter0.442 INCHES NOMINAL IN
special_featuresINCLUDES O-RING
style_designatorSWING CHECK
flange_seat_to_disk_end_height0.504 INCHES NOMINAL IN
NSN4820-00-307-8103
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: S90060/300121 · 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
•
FLANGE SEAT TO DISK END HEIGHT: 0.504 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.442 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SWING CHECK
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.504 INCHES NOMINAL IN
OUTSIDE DIAMETER0.442 INCHES NOMINAL IN
STYLE DESIGNATORSWING CHECK
SPECIAL FEATURESINCLUDES O-RING
MATERIALSTEEL
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 1
NS4074Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S90060/300121?
S90060/300121 is a DISK,VALVE.
What parts can replace S90060/300121?
There is 1 known substitute for S90060/300121: NS4074. Substitute compatibility should be verified for your specific system.
What is the NSN for S90060/300121?
S90060/300121 is cataloged in the U.S. Government catalog under NSN 4820-00-307-8103. 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.