U-281 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

U-281: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_width: 1.562 INCHES NOMINAL IN, body_height: 2.812 INCHES NOMINAL IN, body_length: 1.562 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: THREADED STUD(S) SINGLE GROUP, frequency_rating: 200.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT. This part is cataloged in the U.S.

Government catalog under NSN 5950-00-027-4749, 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→ U-281

NSN: 5950-00-027-4749
NIINs: 000274749, 003703350, 012326281, 014165579
FSC: 5950 — Coils and Transformers
CAGE: 24196 — CONTROL TRONICS CORP (USA)

SPECIFICATIONS

body_width	1.562 INCHES NOMINAL IN
body_height	2.812 INCHES NOMINAL IN
body_length	1.562 INCHES NOMINAL IN
inclosure_type	HERMETICALLY SEALED
mounting_method	THREADED STUD(S) SINGLE GROUP
frequency_rating	200.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
special_features	UNDERWATER LIFE SUPPORT IAW NAVSEA INSTRUCTION 10560.2B
nominal_thread_size	0.138 INCHES SINGLE GROUP IN
reliability_indicator	NOT ESTABLISHED
end_item_identification	MK3 MOD 0 LIGHT WEIGHT DIVE SYS
impedance_rating_in_ohms	15000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
thread_quantity_per_inch	32 SINGLE GROUP
NSN	5950-00-027-4749

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY QUANTITY: 4 SINGLE GROUP

•

INCLOSURE TYPE: HERMETICALLY SEALED

•

CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 1.187 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN

•

MOUNTING METHOD: THREADED STUD(S) SINGLE GROUP

•

BODY WIDTH: 1.562 INCHES NOMINAL IN

•

BODY HEIGHT: 2.812 INCHES NOMINAL IN

•

MAXIMUM TRANSFORMER POWER RATING: 100.0 MILLIWATTS SINGLE COMPONENT

•

WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT

TECHNICAL CHARACTERISTICS

MOUNTING FACILITY QUANTITY	4 SINGLE GROUP
INCLOSURE TYPE	HERMETICALLY SEALED
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH	1.187 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
MOUNTING METHOD	THREADED STUD(S) SINGLE GROUP
BODY WIDTH	1.562 INCHES NOMINAL IN
BODY HEIGHT	2.812 INCHES NOMINAL IN
MAXIMUM TRANSFORMER POWER RATING	100.0 MILLIWATTS SINGLE COMPONENT
WINDING FUNCTION AND QUANTITY	1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
IMPEDANCE RATING IN OHMS	15000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
IMPEDANCE RATING IN OHMS	600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY

SUBSTITUTES & CROSS-REFERENCES 2

SU281Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

20B2869Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is U-281?

U-281 is a TRANSFORMER,AUDIO FREQUENCY. It is classified as a MRO (MRO_GENERAL).

What parts can replace U-281?

There are 2 known substitutes for U-281: SU281, 20B2869. Substitute compatibility should be verified for your specific system.

What is the NSN for U-281?

U-281 is cataloged in the U.S. Government catalog under NSN 5950-00-027-4749. This indicates validated use in U.S. government and defense supply chains.

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