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40975D4 — Technical Data Sheet

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NAVAL INVENTORY CONTROL POINT MECHANICSBURG · COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The NAVIGATION LIGHT is a NAVAL INVENTORY CONTROL POINT MECHANICSBURG industrial component. Key specifications include CRITICALITY CODE JUSTIFICATION: ZZZY, PART NAME ASSIGNED BY CONTROLLING AGENCY: FIXTURE, LTG, NAV MAR; NAVIGATION LIGHT WHI. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6620-01-515-9130, 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
40975D4
NSN: 6620-01-515-9130
FSC: 6620
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
CRITICALITY CODE JUSTIFICATIONZZZY
PART NAME ASSIGNED BY CONTROLLING AGENCYFIXTURE, LTG, NAV MAR; NAVIGATION LIGHT WHI
NSN6620-01-515-9130
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: NAVAL INVENTORY CONTROL POINT MECHANICSBURG NAVIGATION LIGHT TITLE COMPONENT PN 40975D4 MFR NAVAL INVENTORY CONTROL POINT MECHANICSBURG NAVIGATION LIGHT
KEY FEATURES
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES
•
CRITICALITY CODE JUSTIFICATION: ZZZY
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYFIXTURE, LTG, NAV MAR; NAVIGATION LIGHT WHI
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES
CRITICALITY CODE JUSTIFICATIONZZZY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
40975Interchangeable
interchangeable cross-reference
interchangeable
M24560/13-001 SYM 174.4Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-24560/13Interchangeable
interchangeable cross-reference
interchangeable
M24560/13-001Interchangeable
interchangeable cross-reference
interchangeable
7587Interchangeable
interchangeable cross-reference
interchangeable
Q40975-7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40975D4?
40975D4 is a NAVIGATION LIGHT manufactured by NAVAL INVENTORY CONTROL POINT MECHANICSBURG.
What parts can replace 40975D4?
There are 18 known substitutes for 40975D4: 40975, M24560/13-001 SYM 174.4, MIL-DTL-24560/13 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40975D4?
40975D4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6620-01-515-9130. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026