NSN 4320-00-298-4211, 4320002984211
SEAL ASSEMBLY,SHAFT,SPRING LOADE

Federal Supply Classification: FSC 4320 - Power and Hand Pumps
National Item Identification Number: NIIN 002984211
Codification Country: United States
Item Name Code: INC 32556
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 4320-00-298-4211

National Stock Number (NSN) 4320-00-298-4211, or NIIN 002984211, (seal assembly,shaft,spring loade) was assigned September 26, 1973 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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 unique to one weapons system.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 32556. [A COMBINATION OF ITEMS USED IN SEALING VARIOUS ROTARY SHAFT EQUIPMENT. IT MAY INCLUDE ITEMS SUCH AS BELLOWS, DISK, DRIVE RING, FLEXIBLE DIAPHRAGM, MATING RING, O-RING, RETAINER, SEAT, SLEEVE, WASHER, AND THE LIKE. EXCLUDES:SEAL,PLAIN ENCASED.]. 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 4320002984211 contains an unknown precious metal.

This NSN is associated to Schedule B 8413919520: parts, nesoi, of pumps for liquids. The Schedule B End Use is listed as industrial engines. NAICS classification category 333911: pump and pumping equipment manufacturing.

This information was last updated on Jul 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) CONSISTS OF 18 ITEMS,1 CUP P/NO. B7.51NO7-A26 MONEL,1SEAL RING P/NO. A7.52084-A26 CARBON,6 SPRING P/NO. ASN30-A2M HASTELLOY C,1 RSR PACKING P/NO. 513AJ-130 BUNA-N,1THRUST WASHER P/NO. A7.5-7N07-A26 MONEL,3SET SCREW 1/4-2OX1/4LG MONEL,1 MATING RING P/NO. ADA-H19-A26 TUN.CARBIDE,1M.R.PACKING P/NO. 513AJ-22B BUNA-N,1 GLAND P/NO. C554414-B27 BRONZE,1 GLAND PACKING P/NO. AS53069-Q02 ABESTOS,1 GROOVE PIN P/NO. 1/8 DIA.X5/16 LG SST