NSN 5340-01-100-4317, 5340011004317
MOUNTING BLOCK

Federal Supply Classification: FSC 5340 - Hardware, Commercial
National Item Identification Number: NIIN 011004317
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: (P) There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 5340-01-100-4317

National Stock Number (NSN) 5340-01-100-4317, or NIIN 011004317, (mounting block) was assigned September 6, 1980 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 one supplier. 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.

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 information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5340011004317 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) MATERIAL ALUMINUM ALLOY 2024-T351; FINISH CHEMICAL FILM MIL-C-5541 CL 1A; LG 2.500 IN. NOM; WIDTH 0.250 IN. NOM; 4 HOLES 1/4/0.250/-28 UNF-2B THRU C,SINK 82 DEG TO .31 DIA; 3 HOLES 0.128 PORM .003 DIA
GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) HMATERIAL ALUMINUM ALLOY 2024-T351; FINISH CHEMICAL FILM MIL-C-5541 CL 1A; LG 2.500 IN. NOM; WIDTH 0.250 IN. NOM; 4 HOLES 1/4/0.250/-28 UNF-2B THRU C,SINK 82 DEG TO .31 DIA; 3 HOLES 0.128 PORM .003 DIA