NSN 4820-01-474-2843, 4820014742843
GEAR OPERATOR,VALVE

Federal Supply Classification: FSC 4820 - Valves, Nonpowered
National Item Identification Number: NIIN 014742843
Codification Country: United States
Item Name Code: INC 38233
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 4820-01-474-2843

National Stock Number (NSN) 4820-01-474-2843, or NIIN 014742843, (gear operator,valve) was assigned April 28, 2000 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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 a year. There have been 12 contracts issued for this part number, with 12 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7MC24V8923, SPE7MC24V6995, SPE7MC23V8519, SPE7MC23V5281, SPE7M022V4821. The total value of the awarded contracts has been US$ 187,641.00.

This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.

There has been a small amount of 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 Apr 24, 2007, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 38233. [A HAND CONTROLLED DEVICE MANEUVERED BY A GEAR DESIGNED TO OPEN AND CLOSE THE FLOW CONTROL DEVICE. MAY INCLUDE OPEN AND CLOSE POSITION INDICATOR. EXCLUDES GEAR ASSEMBLY, SPEED DECREASER; GEARBOX ACCESSORY DRIVE, TURBINE ENGINE; AND GEARCASE-MOTOR.]. 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 4820014742843 does not contain precious metals.

This NSN is associated to Schedule B 8481909090: parts of taps, cocks, valves and similar appliances, nesoi. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332911: industrial valve manufacturing.

This information was last updated on Aug 01, 2025.

Technical Characteristics

MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) QQ-S-763 CL 304 AND CL 316L FED SPEC 1ST MATERIAL RESPONSE AND QQ-B-637, ALTERNATE IS ASTM 861 FED SPEC 2ND MATERIAL RESPONSE
MATERIAL: (MATT) STEEL CORROSION RESISTING AND COPPER
SPECIAL FEATURES: (FEAT) ITEM NAME ON DWG IS FLOW CONTROL DEVICE ASSEMBLY; ASSEMBLY CONSISTS OF: ITEM 51 CLEVIS 1; ITEM 52 LATCH 1; ITEM 53 DIAL 1; ITEM 54 SPRING, LATCH FLAT 1; ITEM 55 SCREW, SET, CUP POINT SLF LKG 2; ITEM 56 SCREW, MACH PAN HEAD SLOTTED, SLF LKG 1; AND ITEM 51 PIN, GROOVED 1; THIS ASSEMBLY GOES ON BOTH 0.750 INCH AND 1.000 INCH VALVES