PartsTable
Technical Data Sheet
PartsTable / MRO / 111603
111603 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_width: 0.875 INCHES NOMINAL IN, body_height: 0.875 INCHES NOMINAL IN, body_length: 1.156 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, mounting_method: THREADED STUD(S) SINGLE GROUP, frequency_rating: 200.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-055-3437, 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
MRO→ MRO_GENERAL→ 111603
NSN: 5330-00-055-3437
FSC: 5330
CAGE: 91587 — REXNORD INDUSTRIES, LLC DIV AEROSPACE SOLUTIONS DOWNERS GROVE (USA)
SPECIFICATIONS
body_width0.875 INCHES NOMINAL IN
body_height0.875 INCHES NOMINAL IN
body_length1.156 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating200.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
nominal_thread_size0.086 INCHES SINGLE GROUP IN
end_item_identificationC-5 ACFT
impedance_rating_in_ohms95000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
thread_quantity_per_inch56 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_operating_current4.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
NSN5330-00-055-3437
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 111603 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONC-5 ACFT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
111603Interchangeable
interchangeable cross-reference
interchangeable
6211CE1TX9Interchangeable
interchangeable cross-reference
interchangeable
00213-0206Interchangeable
interchangeable cross-reference
interchangeable
700084Interchangeable
interchangeable cross-reference
interchangeable
64638Interchangeable
interchangeable cross-reference
interchangeable
56511Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 111603?
111603 is a TRANSFORMER,AUDIO FREQUENCY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 111603?
There are 9 known substitutes for 111603: 111603, 6211CE1TX9, 00213-0206 and 6 more. Substitute compatibility should be verified for your specific system.
Is 111603 still available?
111603 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026