537A — 537A

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

537A: 537A.

The 537A is a the manufacturer industrial component. Key specifications include overall_width: 3.500 INCHES MAXIMUM IN, overall_height: 5.750 INCHES MAXIMUM IN, overall_length: 4.625 INCHES MAXIMUM IN, frequency_response_range: +4.0 TO 12.4 GIGAHERTZ. This part is cataloged in the U.S.

Government catalog under NSN 5945-00-004-7567, 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→ 537A

NSN: 5945-00-004-7567
NIINs: 000047567, 009309687
FSC: 5945 — Relays and Solenoids
CAGE: 13548 — TRUCK-LITE CO., LLC (USA)

SPECIFICATIONS

overall_width	3.500 INCHES MAXIMUM IN
overall_height	5.750 INCHES MAXIMUM IN
overall_length	4.625 INCHES MAXIMUM IN
frequency_response_range	+4.0 TO 12.4 GIGAHERTZ
NSN	5945-00-004-7567

COMPONENT DIAGRAM

KEY FEATURES

•

FLASHING RATE: 90 PER MINUTE NOMINAL

•

TERMINAL QUANTITY: 3

•

TERMINAL TYPE: SCREW

•

OVERALL DIAMETER: 1.375 INCHES MAXIMUM IN

•

DC VOLTAGE RATING: 12.0 VOLTS NOMINAL

•

LAMP POWER RATING FOR WHICH DESIGNED: 21.0 CANDLEPOWER MAXIMUM

•

LAMP QUANTITY FOR WHICH DESIGNED: 4

TECHNICAL CHARACTERISTICS

FLASHING RATE	90 PER MINUTE NOMINAL
TERMINAL QUANTITY	3
TERMINAL TYPE	SCREW
OVERALL DIAMETER	1.375 INCHES MAXIMUM IN
DC VOLTAGE RATING	12.0 VOLTS NOMINAL
LAMP POWER RATING FOR WHICH DESIGNED	21.0 CANDLEPOWER MAXIMUM
OVERALL LENGTH	2.578 INCHES MAXIMUM IN
LAMP QUANTITY FOR WHICH DESIGNED	4
CONTROLLED CIRCUIT QUANTITY	4
ADJUSTABILITY	NONADJUSTABLE

SUBSTITUTES & CROSS-REFERENCES 3

537Reference document

Same NSN cross-reference

Reference document — Secondary reference

A43212VReference document

Same NSN cross-reference

Reference document — Secondary reference

115Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 537A?

537A is a 537A. It is classified as a MRO (MRO_GENERAL).

What parts can replace 537A?

There are 3 known substitutes for 537A: 537, A43212V, 115. Substitute compatibility should be verified for your specific system.

What is the NSN for 537A?

537A is cataloged in the U.S. Government catalog under NSN 5945-00-004-7567. This indicates validated use in U.S. government and defense supply chains.

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