28491 ITEM 22 — 28491 ITEM 22

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

28491 ITEM 22: 28491 ITEM 22.

The 28491 ITEM 22 is a the manufacturer industrial component. Key specifications include overall_width: 2.500 INCHES NOMINAL IN, overall_height: 1.650 INCHES NOMINAL IN, overall_length: 4.750 INCHES NOMINAL IN, special_features: CHASSIS 1; CIRCUIT CARD ASSEMBLY 1; COVER 1. This part is cataloged in the U.S.

Government catalog under NSN 5998-01-225-0237, 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→ 28491 ITEM 22

NSN: 5998-01-225-0237
FSC: 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
CAGE: 02588 — NAVAL SHORE ELECTRONICS ENGINEERING ACTIVITY 9TH NAVAL DISTRICT (USA)

SPECIFICATIONS

overall_width	2.500 INCHES NOMINAL IN
overall_height	1.650 INCHES NOMINAL IN
overall_length	4.750 INCHES NOMINAL IN
special_features	CHASSIS 1; CIRCUIT CARD ASSEMBLY 1; COVER 1
NSN	5998-01-225-0237

COMPONENT DIAGRAM

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	1.650 INCHES NOMINAL IN
OVERALL LENGTH	4.750 INCHES NOMINAL IN
OVERALL WIDTH	2.500 INCHES NOMINAL IN
SPECIAL FEATURES	CHASSIS 1; CIRCUIT CARD ASSEMBLY 1; COVER 1

OTHER ITEMS IN FSC 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5998-00-000-0087 5998-00-000-0089 5998-00-000-0154 5998-00-000-0173 5998-00-000-0175 5998-00-000-0177 5998-00-001-1267 5998-00-001-1271

SUBSTITUTES & CROSS-REFERENCES 1

4D-4229Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — complete disassembly

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FREQUENTLY ASKED QUESTIONS

What is 28491 ITEM 22?

28491 ITEM 22 is a 28491 ITEM 22. It is classified as a MRO (MRO_GENERAL).

What parts can replace 28491 ITEM 22?

There is 1 known substitute for 28491 ITEM 22: 4D-4229. Substitute compatibility should be verified for your specific system.

What is the NSN for 28491 ITEM 22?

28491 ITEM 22 is cataloged in the U.S. Government catalog under NSN 5998-01-225-0237. This indicates validated use in U.S. government and defense supply chains.

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