National Stock Number
5340-00-423-0438
National Stock Number (NSN) 5340-00-423-0438, or NIIN 004230438, (mount,resilient,utility) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated 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.
This NSN is assigned to Item Name Code (INC) 53590. [AN ITEM MADE OF MATERIAL HAVING ELASTIC PROPERTIES. IT MAY HAVE RIGID MOUNTING FACILITIES SUCH AS A FLANGE(S), SLEEVE(S), STUD(S) OR THE LIKE. IT IS DESIGNED TO ISOLATE OR DAMPEN SHOCK AND/OR VIBRATION OF A CONTINUOUS OR INTERMITTENT ORIGIN AND SERVE AS A SUPPORT FOR AN ITEM TO BE ISOLATED. EXCLUDES MOUNT, RESILIENT, WEAPON SYSTEM; SPRING (AS MODIFIED); BUMPER, NONMETALLIC; BUMPER, RUBBER; BUSHING, NONMETALLIC; HYDRAULIC AND PNEUMATIC SHOCK ABSORBERS, DASHPOTS, GROMMETS AND SHOCK PADS.]. 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 5340004230438 does not contain precious metals.
This NSN is associated to Schedule B 8487900080: machinery parts not containing electrical features, and not specified or included elsewhere in chapter 84, except ships' propellers. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333999: all other miscellaneous general purpose machinery manufacturing.
This information was last updated on Aug 01, 2025.