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75D141021 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

75D141021: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_height: 1.000 INCHES NOMINAL IN, shank_diameter: 1.750 INCHES NOMINAL IN, outside_diameter: 3.500 INCHES NOMINAL IN, special_features: 1.062-12 UNJ INTERNAL THD, style_designator: POPPET. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-240-2001, 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
75D141021
NSN: 4820-01-240-2001
FSC: 4820 — Valves, Nonpowered
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_height1.000 INCHES NOMINAL IN
shank_diameter1.750 INCHES NOMINAL IN
outside_diameter3.500 INCHES NOMINAL IN
special_features1.062-12 UNJ INTERNAL THD
style_designatorPOPPET
media_for_which_designedHYDRAULIC FLUID
flange_seat_to_disk_end_height0.600 INCHES NOMINAL IN
NSN4820-01-240-2001
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 75D141021 · 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
•
SHANK DIAMETER: 1.750 INCHES NOMINAL IN
•
FLANGE SEAT TO DISK END HEIGHT: 0.600 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 3.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: POPPET
•
MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
SHANK DIAMETER1.750 INCHES NOMINAL IN
FLANGE SEAT TO DISK END HEIGHT0.600 INCHES NOMINAL IN
OVERALL HEIGHT1.000 INCHES NOMINAL IN
OUTSIDE DIAMETER3.500 INCHES NOMINAL IN
STYLE DESIGNATORPOPPET
SPECIAL FEATURES1.062-12 UNJ INTERNAL THD
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID
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 1
75D141021-2001Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 75D141021?
75D141021 is a DISK,VALVE.
What parts can replace 75D141021?
There is 1 known substitute for 75D141021: 75D141021-2001. Substitute compatibility should be verified for your specific system.
What is the NSN for 75D141021?
75D141021 is cataloged in the U.S. Government catalog under NSN 4820-01-240-2001. 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.