D273 — GATE ARRAY

✓ Government record, cited

Bosch · MRO · MRO_GENERAL

PRODUCT OVERVIEW

D273: GATE ARRAY.

The D273 is a four‑wire smoke detector. Features - 12 VDC or 24 VDC input - Designed for commercial or residential use - Four-wire application - Light-emitting diodes (LEDs) indicate the status of the chamber, power, and alarm - Removable terminal block to simplify wiring connections This part is cataloged in the U.S. Government catalog under NSN 5940-00-068-0076, 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→ D273

NSN: 5940-00-068-0076
NIINs: 000680076, 008685977, 010192541
FSC: 5940 — Lugs, Terminals, and Terminal Strips
CAGE: 56501 — ABB INSTALLATION PRODUCTS INC (USA)

SPECIFICATIONS

Part Number	D273
Manufacturer	Bosch
NSN	5940-00-068-0076

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES 2

MS25189-5Reference document

Same NSN cross-reference

Reference document — Secondary reference

MS25189-105Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 D273?

D273 is a GATE ARRAY manufactured by Bosch. It is classified as a MRO (MRO_GENERAL).

What parts can replace D273?

There are 2 known substitutes for D273: MS25189-5, MS25189-105. Substitute compatibility should be verified for your specific system.

What is the NSN for D273?

D273 is cataloged in the U.S. Government catalog under NSN 5940-00-068-0076. This indicates validated use in U.S. government and defense supply chains.

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D273 — GATE ARRAY

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