NSN 3950-00-398-4710, 3950003984710
BLOCK ASSEMBLY,BOTTOM

Federal Supply Classification: FSC 3950 - Winches, Hoists, Cranes, and Derricks
National Item Identification Number: NIIN 003984710
Codification Country: United States
Item Name Code: INC 77777
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
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 3950-00-398-4710

National Stock Number (NSN) 3950-00-398-4710, or NIIN 003984710, (block assembly,bottom) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jul 23, 2015. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE8EE15V0213, SPM8EE13M0972, SPM8EE11M0788. The total value of the awarded contracts has been US$ 18,298.50.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 02, 2006, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 77777. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3950003984710 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) CONSISTS OF 2 BOLTS P/N AF-65-830;2 WASHERS P/NW143;2 NUTS P/N N-7-5;1 FRAME P/N HA1982;1 SHEAVE P/N HB4332;1 STUD P/N HD72241 RING P/N HD2244-7;1 BEARING P/N ASB2088;2 NUTS P/N HD7570-32;1 NUT P/N N7-10;1 SWIVEL @ASSY P/N C-14
GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) TCONSISTS OF 2 BOLTS P/N AF-65-830;2 WASHERS P/NW143;2 NUTS P/N N-7-5;1 FRAME P/N HA1982;1 SHEAVE P/N HB4332;1 STUD P/N HD72241 RING P/N HD2244-7;1 BEARING P/N ASB2088;2 NUTS P/N HD7570-32;1 NUT P/N N7-10;1 SWIVEL @ASSY P/N C-14