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S-3253 — SWITCH,RADIO FREQUENCY TRANSMISS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S-3253: SWITCH,RADIO FREQUENCY TRANSMISS.

SWITCH,RADIO FREQUENCY TRANSMISS. Key specifications include length: 1.938 INCHES NOMINAL IN, body_style: CYLINDRICAL, switch_type: NONTRANSFER, overall_height: 1.750 INCHES NOMINAL IN, overall_length: 2.500 INCHES NOMINAL IN, switching_time: 20.0 MILLISECONDS MS. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-735-9045, 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
S-3253
NSN: 5340-00-735-9045
NIINs: 007359045, 010420669, 014232314
FSC: 5340 — Hardware, Commercial
CAGE: 26126 — BURTON MEDICAL PRODUCTS CORPORATION (USA)
SPECIFICATIONS
length1.938 INCHES NOMINAL IN
body_styleCYLINDRICAL
switch_typeNONTRANSFER
pole_quantity1
overall_height1.750 INCHES NOMINAL IN
overall_length2.500 INCHES NOMINAL IN
switching_time20.0 MILLISECONDS MS
throw_quantity4
overall_diameter1.556 INCHES MINIMUM AND 1.560 INCHES MAXIMUM IN
special_featuresIMMERSION-PROOF PER MIL-S-3928
style_designatorLEFT INTERNAL AND RIGHT INTERNAL THREADS
surface_treatmentANODIZE OVERALL
NSN5340-00-735-9045
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S-3253 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
•
WIDTH ACROSS FLATS: 0.375 INCHES NOMINAL IN
•
LENGTH: 1.938 INCHES NOMINAL IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT INTERNAL THREADS
•
SURFACE TREATMENT: ANODIZE OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.375 INCHES NOMINAL IN
LENGTH1.938 INCHES NOMINAL IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT INTERNAL THREADS
SPECIAL FEATURESHEADLESS
SURFACE TREATMENTANODIZE OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S-3253?
S-3253 is a SWITCH,RADIO FREQUENCY TRANSMISS.
What is the NSN for S-3253?
S-3253 is cataloged in the U.S. Government catalog under NSN 5340-00-735-9045. 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.