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25-166 — TRANSFORMER,RADIO FREQUENCY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

25-166: TRANSFORMER,RADIO FREQUENCY.

The TRANSFORMER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include length: 0.750 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN, material: ALUMINUM AND PLASTIC POLYESTER SECOND POSITION SHIELD FOIL CABLE, body_length: 0.750 INCHES NOMINAL IN, temp_rating: -20.0 CELSIUS AND 80.0 CELSIUS DEGC, thread_class: UNABLE TO DECODE, rating_method: ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE SECONDARY. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-359-5096, 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
25-166
NSN: 5340-00-359-5096
NIINs: 003595096, 006478525, 010125872, 014124855, 014722999, 016875804
FSC: 5340 — Hardware, Commercial
CAGE: 79938 — EMERSON ELECTRIC CO U S ELECTRICAL MOTORS DIV (USA)
SPECIFICATIONS
length0.750 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
materialALUMINUM AND PLASTIC POLYESTER SECOND POSITION SHIELD FOIL CABLE
body_length0.750 INCHES NOMINAL IN
temp_rating-20.0 CELSIUS AND 80.0 CELSIUS DEGC
thread_classUNABLE TO DECODE
rating_methodELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE SECONDARY
thread_length0.438 INCHES NOMINAL IN
turn_quantity20 SINGLE COMPONENT SINGLE PRIMARY
conductor_formSTRANDED ALL CONDUCTORS
furnished_dataLIQUID LEVEL
inclosure_typeOPEN
overall_height0.870 INCHES NOMINAL IN
NSN5340-00-359-5096
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 25-166 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
•
VENT HOLE DIAMETER: 0.188 INCHES NOMINAL IN
•
LENGTH: 0.750 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
•
VENT HOLE SHAPE: ROUND
•
THREAD LENGTH: 0.438 INCHES NOMINAL IN
•
END CONNECTION TYPE: THREADED
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UNTHREADED END DIAMETER: 0.401 INCHES MINIMUM AND 0.411 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.577 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM
TECHNICAL CHARACTERISTICS
VENT HOLE DIAMETER0.188 INCHES NOMINAL IN
LENGTH0.750 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
VENT HOLE SHAPEROUND
THREAD LENGTH0.438 INCHES NOMINAL IN
END CONNECTION TYPETHREADED
UNTHREADED END DIAMETER0.401 INCHES MINIMUM AND 0.411 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.577 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM
THREAD CLASS2A A
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 25-166?
25-166 is a TRANSFORMER,RADIO FREQUENCY.
What is the NSN for 25-166?
25-166 is cataloged in the U.S. Government catalog under NSN 5340-00-359-5096. This indicates validated use in U.S. government and defense supply chains.
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