121903MS — SWITCH,ROTARY

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

121903MS: SWITCH,ROTARY.

The SWITCH,ROTARY is a the manufacturer industrial component. Key specifications include special_features: WEAPON SYSTEM ESSENTIAL, end_item_identification: TRIDENT HULL STRUCTURE, SUBMARINE AUXILLARY AND MISCELLANEOUS SYSTEMS, OSPREY CLASS MHC, criticality_code_justification: FEAT. This part is cataloged in the U.S.

Government catalog under NSN 5930-01-361-3638, 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→ 121903MS

NSN: 5930-01-361-3638
FSC: 5930 — Switches
CAGE: 82121 — ELECTRO SWITCH CORP. DBA ELECTRO SWITCH CORP (USA)

SPECIFICATIONS

special_features	WEAPON SYSTEM ESSENTIAL
end_item_identification	TRIDENT HULL STRUCTURE, SUBMARINE AUXILLARY AND MISCELLANEOUS SYSTEMS, OSPREY CLASS MHC
criticality_code_justification	FEAT
NSN	5930-01-361-3638

COMPONENT DIAGRAM

KEY FEATURES

•

CRITICALITY CODE JUSTIFICATION: FEAT

TECHNICAL CHARACTERISTICS

CRITICALITY CODE JUSTIFICATION	FEAT
SPECIAL FEATURES	WEAPON SYSTEM ESSENTIAL
END ITEM IDENTIFICATION	TRIDENT HULL STRUCTURE, SUBMARINE AUXILLARY AND MISCELLANEOUS SYSTEMS, OSPREY CLASS MHC

OTHER ITEMS IN FSC 5930 — Switches

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

5930-00-000-0117 5930-00-001-1407 5930-00-001-1890 5930-00-001-2571 5930-00-001-2575 5930-00-001-2580 5930-00-001-2608 5930-00-001-2609

SUBSTITUTES & CROSS-REFERENCES 2

5181-010-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

121903MSVMSame 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 121903MS?

121903MS is a SWITCH,ROTARY. It is classified as a MRO (MRO_GENERAL).

What parts can replace 121903MS?

There are 2 known substitutes for 121903MS: 5181-010-1, 121903MSVM. Substitute compatibility should be verified for your specific system.

What is the NSN for 121903MS?

121903MS is cataloged in the U.S. Government catalog under NSN 5930-01-361-3638. This indicates validated use in U.S. government and defense supply chains.

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