NSN 4820-01-460-6079 12984623, 2620T4TT, 2620T-4TT
Product Details | SAFETY RELIEF VALVE
4820-01-460-6079 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: 12984623, 2620T4TT, 2620T-4TT, 4820-01-460-6079, 01-460-6079, 4820014606079, 014606079
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 10 NOV 1998 | 01-460-6079 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-460-6079
Demand History | NSN 4820-01-460-6079
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 2620T-4TT | 2025-11-313 | 327 | DIBBS |
| 2620T-4TT | 2025-10-276 | 124 | DIBBS |
| 2620T-4TT | 2025-09-265 | 124 | DIBBS |
| 2620T-4TT | 2024-10-305 | 124 | DIBBS |
| 4820-01-460-6079 | 2024-08-215 | 6 | United States |
| 4820-01-460-6079 | 2024-08-215 | 6 | US |
| 4820-01-460-6079 | 2024-07-192 | 33 | US |
| 2620T-4TT | 2024-07-184 | 724 | DIBBS |
| 4820-01-460-6079 | 2024-06-170 | 33 | United States |
| 2620T-4TT | 2022-11-318 | 158 | DIBBS |
| 2620T-4TT | 2022-10-304 | 158 | DIBBS |
| 2620T-4TT | 2022-10-293 | 158 | DIBBS |
| 4820-01-460-6079 | 2022-07-199 | 163 | DIBBS |
| 2620T-4TT | 2022-03-62 | 163 | DIBBS |
| 2620T-4TT | 2021-09-270 | 154 | DIBBS |
| 2620T-4TT | 2020-10-294 | 279 | DIBBS |
| 2620T-4TT | 2020-06-156 | 181 | DIBBS |
| 2620T-4TT | 2020-02-49 | 353 | DIBBS |
| 2620T-4TT | 2020-02-37 | 353 | DIBBS |
| 2620T-4TT | 2020-01-02 | 174 | DIBBS |
| 2620T-4TT | 2019-12-353 | 174 | DIBBS |
| 2620T-4TT | 2019-04-119 | 244 | DIBBS |
| 2620T-4TT | 2019-04-108 | 244 | DIBBS |
| 4820-01-460-6079 | 2018-06-164 | 192 | DIBBS |
| 4820-01-460-6079 | 2018-05-151 | 192 | DIBBS |
| 4820-01-460-6079 | 2017-08-243 | 275 | DIBBS |
| 4820-01-460-6079 | 2017-05-149 | 218 | DIBBS |
| 4820-01-460-6079 | 2017-05-128 | 205 | DIBBS |
| 4820-01-460-6079 | 2017-01-22 | 151 | DIBBS |
| 4820-01-460-6079 | 2016-07-207 | 40 | United States |
| 4820-01-460-6079 | 2016-02-47 | 228 | DIBBS |
| 4820-01-460-6079 | 2016-02-35 | 228 | DIBBS |
| 4820-01-460-6079 | 2015-10-302 | 230 | DIBBS |
| 4820-01-460-6079 | 2014-07-182 | 1 | Australia |
| 4820-01-460-6079 | 2011-08-218 | 0 | DIBBS |
| 4820-01-460-6079 | 2011-05-136 | 21 | DIBBS |
| 4820-01-460-6079 | 2011-05-133 | 291 | DIBBS |
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Related Products | NSN 4820-01-460-6079
Technical Data | NSN 4820-01-460-6079
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 303 BODY |
| STYLE DESIGNATOR | C9 SAFETY RELIEF |
| FLOW CONTROL DEVICE | CONE |
| MEDIA FOR WHICH DESIGNED | OIL, HYDRAULIC SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 400.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |
| CONNECTION STYLE | G42 FLARED ALL ENDS |
| SEAT ANGLE | 45.0 DEGREES ALL ENDS |
| THREAD SERIES DESIGNATOR | NPT ALL ENDS |
| NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| SPECIAL FEATURES | NHA 2350-01-277-5770; O-RING MATERIAL IS PLASTIC POLYTETRAFLUOROETHYLENE; MOUNTING POSITION: HORIZONTAL |
| III END ITEM IDENTIFICATION | M109 NBC/RAM |
Restrictions/Controls & Freight Information | NSN 4820-01-460-6079
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | A | Item 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: | 0 | Represents 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 | AH | Defense Supply Center Columbus Columbus, OH 43215 |
| 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 4820-01-460-6079
Army
Marines| Category | Code | Description |
|---|---|---|
| Materiel Category and Inventory Manager | J | Ground Forces Support Materiel (DLA/GSA Items) |
| Appropriation and Budget Activity | 2 | Stock Fund Secondary Items |
| Management Inventory Segment | 2 | NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable. |
| Specific Group/Generic Code | 0 | Medical Materiel |
| Weapons Systems/End Item or Homogeneous Group | 00 | DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item |
| Accounting Requirements Code | X | Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items. |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DA | Department of the Army |
| Service Organization | A | U.S. Army |
| Reparability | Z | This is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item. |
| Acquisition Advice Codes | Z | INSURANCE/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 Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |
| Category | Code | Description |
|---|---|---|
| Stores Account Code | 1 | Marine Corps Stock Fund Account Item. |
| Combat Essentiality Code | 5 | Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency. |
| Materiel Management Code | B | All CommoditiesDefense Logistics Agency, (DLA,) |
| Echelon Management Code | 2 | ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled. |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DM | U.S. Marine Corps |
| Service Organization | M | U.S. Marine Corps |
| Reparability | Z | Nonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code. |
| Acquisition Advice Codes | Z | INSURANCE/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 Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |