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Technical Data Sheet
3909-15 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

ARMOR,SUPPLEMENTAL,SMALL ARMS-FR. Key specifications include special_features: MATERIAL:ALUMINUM AND KEVLAR, end_item_identification: AN/TPQ-37(V), part_name_assigned_by_controlling_agency: SHIELD,WAVEGUIDE-ANTENNA. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4220-01-045-3943, 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
3909-15
NSN: 4220-01-045-3943
FSC: 4220
CAGE: 94120 — AQUALUNG USA, INC (USA)
SPECIFICATIONS
special_featuresMATERIAL:ALUMINUM AND KEVLAR
end_item_identificationAN/TPQ-37(V)
part_name_assigned_by_controlling_agencySHIELD,WAVEGUIDE-ANTENNA
NSN4220-01-045-3943
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ARMOR,SUPPLEMENTAL,SMALL ARMS-FR TITLE COMPONENT PN 3909-15 MFR ARMOR,SUPPLEMENTAL,SMA
KEY FEATURES
GENERAL CHARACTERISTICS ITEM DESCRIPTION: U/O REGULATOR FIRST STAGE OF KMB-9 AND KMB-10 BAND MASK FOR DEEP SEA DIVERS
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONU/O REGULATOR FIRST STAGE OF KMB-9 AND KMB-10 BAND MASK FOR DEEP SEA DIVERS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
890925Interchangeable
interchangeable cross-reference
interchangeable
5306MInterchangeable
interchangeable cross-reference
interchangeable
954394Interchangeable
interchangeable cross-reference
interchangeable
390915Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3909-15?
3909-15 is a ARMOR,SUPPLEMENTAL,SMALL ARMS-FR.
What parts can replace 3909-15?
There are 4 known substitutes for 3909-15: 890925, 5306M, 954394 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3909-15?
3909-15 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4220-01-045-3943. This indicates validated use in U.S. government and defense supply chains.
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