NSN 4923-00-066-5715, 4923000665715
CONNECTION BOX

Federal Supply Classification: FSC 4923 - Depth Charges and Underwater Mines Maintenance, Repair, and Checkout Specialized Equipment
National Item Identification Number: NIIN 000665715
Codification Country: United States
Item Name Code: INC 77777
Criticality: (N) This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input).
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 4923-00-066-5715

National Stock Number (NSN) 4923-00-066-5715, or NIIN 000665715, (connection box) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN.

This part number has not been procured by the US Government in over 5 years.

This NSN is assigned to Item Name Code (INC) 77777. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4923000665715 contains an unknown precious metal.

This NSN is associated to Schedule B 9306900080: parts for bombs, grenades, torpedos, mines, and similar munitions of war. The Schedule B End Use is listed as tanks, artillery, missiles, rockets, guns and ammunition. NAICS classification category 332992: small arms ammunition manufacturing.

This information was last updated on Jul 01, 2025.

Technical Characteristics

SHIPPING CONTAINER QUANTITY PER PALLET: (SCQP) 1
GROSS WEIGHT: (GRWT) 28.0 SHIPPING CONTAINER POUNDS
GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) MK 21 MOD 1,PORTABLE,22.25 IN. LG,16.31 IN. W,7.88 IN. H. C/O CHART,TOP CASE ASSY,BOTTOM CASE ASSY,PANEL ASSY. FOR CABLE ASSY CA-950,TEST SET MK 269,MINES MK 52,55
PACKAGE NOMINAL OVERALL HEIGHT AND TYPE: (CTHR) 10.00 INCHES SHIPPING CONTAINER
PACKAGE NOMINAL OVERALL LENGTH AND TYPE: (CTJT) 24.00 INCHES SHIPPING CONTAINER
PACKAGE NOMINAL OVERALL WIDTH AND TYPE: (CTKG) 18.00 INCHES SHIPPING CONTAINER
UNABLE TO DECODE: (QTSC) UNABLE TO DECODE
UNABLE TO DECODE: (SCQP) UNABLE TO DECODE
III PACKAGE NOMINAL OVERALL LENGTH AND TYPE: (CTJT) 24.00 INCHES SHIPPING CONTAINER
III QUANTITY PER SHIPPING CONTAINER: (QTSC) 1
QUANTITY PER SHIPPING CONTAINER: (QTSC) 1
III GROSS WEIGHT: (GRWT) 28.0 SHIPPING CONTAINER POUNDS