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16978-F — SEMICONDUCTOR DEVICE,DIODE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

16978-F: SEMICONDUCTOR DEVICE,DIODE.

The SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BODY, valve_size: 2.000 INCHES IN, bonnet_type: INSIDE SPRING, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, special_features: LIQUID SERVICE; SET PRESSURE 68.0 PSI. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-251-5554, 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
16978-F
NSN: 4820-01-251-5554
NIINs: 012515554, 012517512, 012517516, 012517529, 012518292, 012518293, 012551122, 012592207
FSC: 4820 — Valves, Nonpowered
CAGE: 72352 — CURTISS-WRIGHT FLOW CONTROL CORPORATION DBA FARRIS ENGINEERING DIV CURTISS-WRIGHT VALVES DIVISION- FARRIS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
valve_size2.000 INCHES IN
bonnet_typeINSIDE SPRING
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
special_featuresLIQUID SERVICE; SET PRESSURE 68.0 PSI
style_designatorANGLE FLANGED ENDS
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
maximum_operating_temp75.0 FAHRENHEIT FIRST RESPONSE DEGF
valve_operation_methodAUTOMATIC
end_item_identificationMODEL 26JB10-120
NSN4820-01-251-5554
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 16978-F · 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
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESLIQUID SERVICE; SET PRESSURE 68.0 PSI; MODEL 26JB10-120
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 1
16978-F PIECE 14Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 16978-F?
16978-F is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 16978-F?
There is 1 known substitute for 16978-F: 16978-F PIECE 14. Substitute compatibility should be verified for your specific system.
What is the NSN for 16978-F?
16978-F is cataloged in the U.S. Government catalog under NSN 4820-01-251-5554. 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.