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Technical Data Sheet
PartsTable / COMPONENT / 9975938
9975938 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include diameter: 3.2470 INCHES MINIMUM AND 3.2500 INCHES MAXIMUM IN, material: SILICON SEMICONDUCTOR, corner_shape: SQUARE FIRST INSIDE CORNER, overall_length: 0.281 INCHES NOMINAL IN, mounting_method: TERMINAL, terminal_length: 1.000 INCHES MINIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-888-2958, 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
9975938
NSN: 4820-00-888-2958
FSC: 4820
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
diameter3.2470 INCHES MINIMUM AND 3.2500 INCHES MAXIMUM IN
materialSILICON SEMICONDUCTOR
corner_shapeSQUARE FIRST INSIDE CORNER
overall_length0.281 INCHES NOMINAL IN
mounting_methodTERMINAL
terminal_length1.000 INCHES MINIMUM IN
outside_diameter5.2150 INCHES MINIMUM AND 5.2200 INCHES MAXIMUM IN
overall_diameter0.110 INCHES NOMINAL IN
special_featuresHAS HIGH EFFICIENCY PUMP, 2-PIECE DRIPLESS POURING VALVE, LARGE DRIP PAN, SUPER STRONG POLYCARBONATE 5 GALLON (18.9) BOWL
style_designatorROUND
features_providedHERMETICALLY SEALED CASE
overall_thickness0.2950 INCHES MINIMUM AND 0.3000 INCHES MAXIMUM IN
NSN4820-00-888-2958
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 9975938 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
D154Interchangeable
interchangeable cross-reference
interchangeable
1N3278Interchangeable
interchangeable cross-reference
interchangeable
DI54Interchangeable
interchangeable cross-reference
interchangeable
CR0149Interchangeable
interchangeable cross-reference
interchangeable
41032Interchangeable
interchangeable cross-reference
interchangeable
51-10714Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9975938?
9975938 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 9975938?
There are 8 known substitutes for 9975938: D154, 1N3278, DI54 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9975938?
9975938 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-888-2958. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026