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402111 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

402111: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: STEEL, body_width: 4.250 INCHES NOMINAL IN, body_height: 5.000 INCHES NOMINAL IN, body_length: 4.250 INCHES NOMINAL IN, usage_design: CENTERS AND POSITIONS SPRING, rating_method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-619-3813, 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
402111
NSN: 5340-00-619-3813
NIINs: 006193813, 007599730, 010214633, 011838949, 012026380, 013539409, 016547305
FSC: 5340 — Hardware, Commercial
CAGE: 07421 — L3HARRIS INTERSTATE ELECTRONICS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL
body_width4.250 INCHES NOMINAL IN
body_height5.000 INCHES NOMINAL IN
body_length4.250 INCHES NOMINAL IN
usage_designCENTERS AND POSITIONS SPRING
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
inclosure_typeHERMETICALLY SEALED
inductance_typeFIXED
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
frequency_rating300.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
winding_quantity1 SINGLE COMPONENT
inductance_rating4.40 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
NSN5340-00-619-3813
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 402111 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
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SUPPORTING OBJECT/SURFACE ATTACHMENT METHOD: FRICTION MTG BY SPRING COMPRESSION ON MATED MACHINED PARTS
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ATTACHMENT TO ITEM SUPPORTED METHOD: FRICTION MTG BY SPRING COMPRESSION
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SPECIAL MARKINGS: N/A
•
MATERIAL: STEEL
•
USAGE DESIGN: CENTERS AND POSITIONS SPRING
TECHNICAL CHARACTERISTICS
SUPPORTING OBJECT/SURFACE ATTACHMENT METHODFRICTION MTG BY SPRING COMPRESSION ON MATED MACHINED PARTS
ATTACHMENT TO ITEM SUPPORTED METHODFRICTION MTG BY SPRING COMPRESSION
SPECIAL MARKINGSN/A
MATERIALSTEEL
USAGE DESIGNCENTERS AND POSITIONS SPRING
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 402111?
402111 is a TRANSFORMER,AUDIO FREQUENCY.
What is the NSN for 402111?
402111 is cataloged in the U.S. Government catalog under NSN 5340-00-619-3813. 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.