Product Details | SAFETY RELIEF VALVE

4820-01-625-2953 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.

Part Alternates: 040396 , 121L8400B00LCSREVAN3040396, 4820-01-625-2953, 01-625-2953, 4820016252953, 016252953

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 2014030 01-625-2953

Demand History | NSN 4820-01-625-2953

Part Number Request Date QTY Origin
040396 2025-03-86 18 DIBBS
121L-8400B00-LCS REV A N3,040396 2025-03-86 18 DIBBS
040396 2024-06-173 24 DIBBS
121L-8400B00-LCS REV A N3,040396 2024-06-173 24 DIBBS
040396 2024-06-162 24 DIBBS
121L-8400B00-LCS REV A N3,040396 2024-06-162 24 DIBBS
040396 2024-05-151 24 DIBBS
121L-8400B00-LCS REV A N3,040396 2024-05-151 24 DIBBS
040396 2024-02-60 14 DIBBS
121L-8400B00-LCS REV A N3,040396 2024-02-60 14 DIBBS
040396 2023-05-128 87 DIBBS
121L-8400B00-LCS REV A N3,040396 2023-05-128 87 DIBBS
040396 2023-04-116 87 DIBBS
121L-8400B00-LCS REV A N3,040396 2023-04-116 87 DIBBS
040396 2023-04-108 59 DIBBS
121L-8400B00-LCS REV A N3,040396 2023-04-108 59 DIBBS
040396 2022-12-356 27 DIBBS
121L-8400B00-LCS REV A N3,040396 2022-12-356 27 DIBBS
040396 2022-12-341 56 DIBBS
121L-8400B00-LCS REV A N3,040396 2022-12-341 56 DIBBS
040396 2022-04-117 56 DIBBS
121L-8400B00-LCS REV A N3,040396 2022-04-117 56 DIBBS
040396 2022-04-97 25 DIBBS
121L-8400B00-LCS REV A N3,040396 2022-04-97 25 DIBBS
040396 2022-02-48 9 DIBBS
121L-8400B00-LCS REV A N3,040396 2022-02-48 9 DIBBS
040396 2021-04-112 12 DIBBS
121L-8400B00-LCS REV A N3,040396 2021-04-112 12 DIBBS
040396 2020-10-303 27 DIBBS
121L-8400B00-LCS REV A N3,040396 2020-10-303 27 DIBBS
040396 2020-04-107 26 DIBBS
121L-8400B00-LCS REV A N3,040396 2020-04-107 26 DIBBS
040396 2019-11-308 15 DIBBS
121L-8400B00-LCS REV A N3,040396 2019-11-308 15 DIBBS
040396 2019-10-297 15 DIBBS
121L-8400B00-LCS REV A N3,040396 2019-10-297 15 DIBBS
4820-01-625-2953 2016-10-285 2 DIBBS

Cross Reference | NSN 4820-01-625-2953

Part Number Cage Code Manufacturer
040396 1KWT0 SAUER COMPRESSORS USA, INC.
121L-8400B00-LCS REV A N3,040396 1KWT0 SAUER COMPRESSORS USA, INC.

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Technical Data | NSN 4820-01-625-2953

Characteristic Specifications
VALVE SIZE 0.500 INCHES
MEDIA FOR WHICH DESIGNED AIR SINGLE RESPONSE
OPENING PRESSURE SETTING 46.0 BAR
III END ITEM IDENTIFICATION COMPRESSOR, AIR
III PART NAME ASSIGNED BY CONTROLLING AGENCY SAFETY VALVE

Restrictions/Controls & Freight Information | NSN 4820-01-625-2953

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4820-01-625-2953

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative