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1909-25 — SEMICONDUCTOR DEVICE,DIODE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1909-25: SEMICONDUCTOR DEVICE,DIODE.

The SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, design_type: LOOP ENGAGING, hole_diameter: 0.140 INCHES NOMINAL IN, overall_width: 1.437 INCHES NOMINAL IN, overall_height: 0.500 INCHES NOMINAL IN, overall_length: 2.265 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-205-5159, 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
1909-25
NSN: 5340-00-205-5159
NIINs: 002055159, 011907243, 013222674
FSC: 5340 — Hardware, Commercial
CAGE: 37695 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
design_typeLOOP ENGAGING
hole_diameter0.140 INCHES NOMINAL IN
hole_quantity2
overall_width1.437 INCHES NOMINAL IN
overall_height0.500 INCHES NOMINAL IN
overall_length2.265 INCHES NOMINAL IN
operation_methodLEVER
style_designatorLEVER WITH SPRING
surface_treatmentCADMIUM AND CHROMATE OVERALL
engaging_surface_width0.531 INCHES NOMINAL IN
engaging_surface_thickness0.090 INCHES NOMINAL IN
NSN5340-00-205-5159
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1909-25 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
DESIGN TYPE: LOOP ENGAGING
•
ENGAGING SURFACE WIDTH: 0.531 INCHES NOMINAL IN
•
STYLE DESIGNATOR: LEVER WITH SPRING
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
ENGAGING SURFACE THICKNESS: 0.090 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.500 INCHES NOMINAL IN
DESIGN TYPELOOP ENGAGING
ENGAGING SURFACE WIDTH0.531 INCHES NOMINAL IN
STYLE DESIGNATORLEVER WITH SPRING
OVERALL LENGTH2.265 INCHES NOMINAL IN
OVERALL WIDTH1.437 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
ENGAGING SURFACE THICKNESS0.090 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HOLE QUANTITY2
SUBSTITUTES & CROSS-REFERENCES 8
A63-2002-746Reference document
Same NSN cross-reference
Reference document — Secondary reference
S0B62565Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
677671Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
255T1014Reference document
Same NSN cross-reference
Reference document — Secondary reference
A232620Reference document
Same NSN cross-reference
Reference document — Secondary reference
SCB62565Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1909-25?
1909-25 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 1909-25?
There are 8 known substitutes for 1909-25: A63-2002-746, S0B62565, 677671 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1909-25?
1909-25 is cataloged in the U.S. Government catalog under NSN 5340-00-205-5159. 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.