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NSN 4820-01-040-9863, 4820010409863
VALVE,RELIEF,PRESSURE AND TEMPER

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 010409863
Codification Country
United States
Item Name Code
INC 16996
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 4820-01-040-9863

National Stock Number (NSN) 4820-01-040-9863, or NIIN 010409863, (valve,relief,pressure and temper) was assigned May 19, 1977 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. None of the associated 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 is actively being procured by the US Government, with procurement history within the last 90 days. There have been 7 contracts issued for this part number, with 7 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE4A525P4221, SPE4A524P0431, SPE4A619PA997, SPE4A519P2868, SPE4A517P4275. The total value of the awarded contracts has been US$ 50,490.84.

This NSN is somewhat common among different platforms, belonging to 2 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. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 27,651. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 30, 2019, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 16996. [A VALVE DESIGNED TO RELEASE UNDER EXCESSIVE PRESSURE AND/OR EXCESSIVE TEMPERATURE BY OPENING AT A PREDETERMINED PRESSURE AND/OR TEMPERATURE. THERMOSTATICALLY OPERATED VALVES CLOSE WHEN THE PRESSURE IS RELIEVED OR THE TEMPERATURE IS REDUCED. FUSIBLE PLUG VALVES REQUIRE REPLACEMENT OF THE PLUG. SEE ALSO VALVE, SAFETY RELIEF AND VALVE, REGULATING. TEMPERATURE.]. 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 4820010409863 does not contain precious metals.

This NSN is associated to Schedule B 8481400000: safety or relief valves. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332911: industrial valve manufacturing.

This information was last updated on .


Technical Characteristics

TEMP RATING
(ABJH) 275.0 DEG FAHRENHEIT
FLOW CONTROL DEVICE
(ADQU) ANY ACCEPTABLE
MEDIA FOR WHICH DESIGNED
(ACKL) HYDRAULIC FLUID, MIL-H-5606
BODY MATERIAL
(AAFZ) ANY ACCEPTABLE
END CONNECTION QUANTITY
(ADQZ) 2
MEDIA FOR WHICH DESIGNED
(ACKL) HYDRAULIC FLUID, PHOSPHATE-ESTER BASE
SPECIAL FEATURES
(FEAT) MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID, MIL-H-5606
TEMP ADJUSTABILITY
(AEVX) ADJUSTABLE
TEMP RATING
(ABJH) -65.0 FAHRENHEIT AND 170.0 FAHRENHEIT
VALVE DISCHARGE FLOW RATE
(ADSY) 4.5 GALLONS PER MINUTE
TEMP RATING
(ABJH) -65.0 DEG FAHRENHEIT

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