NSN 4730-00-580-2656 BST4M, BST-4M, 4S25
Product Details | QUICK DISCONNECT COUPLING HALF
4730-00-580-2656 A fluid line fitting having a pipe, tube or hose connection or a through hole to accommodate a BOLT, FLUID PASSAGE on one end. The other end must have an internal or external quick disconnect feature for connecting a mating part to form a quick disconnect coupling assembly. The fitting may incorporate a self-sealing feature for the purpose of automatically shutting off the flow of fluid when disconnected from its mating half. For self-sealing fittings with an external or internal threaded disconnect end, see COUPLING HALF, SELF-SEALING. See also, CONNECTOR, MULTIPLE, FLUID PRESSURE LINE.
Part Alternates: BST4M, BST-4M, 4S25, 50MS, 4730-00-580-2656, 00-580-2656, 4730005802656, 005802656
Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | 01 JAN 1963 | 00-580-2656 | 18681 ( COUPLING HALF, QUICK DISCONNECT ) |
Drawings & Photos | NSN 4730-00-580-2656
Demand History | NSN 4730-00-580-2656
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 4S25 | 2023-04-108 | 3 | DIBBS |
| 50MS | 2023-04-108 | 3 | DIBBS |
| BST-4M | 2023-04-108 | 3 | DIBBS |
| 4S25 | 2020-02-34 | 2 | DIBBS |
| 50MS | 2020-02-34 | 2 | DIBBS |
| BST-4M | 2020-02-34 | 2 | DIBBS |
| 4730-00-580-2656 | 2014-06-157 | 1 | DIBBS |
| 4730-00-580-2656 | 2014-05-146 | 1 | DIBBS |
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Technical Data | NSN 4730-00-580-2656
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY BODY |
| STYLE DESIGNATOR | A1 MALE COUPLING HALF |
| LEG LENGTH | 0.562 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| OVERALL LENGTH | 2.031 INCHES NOMINAL |
| CONNECTION TYPE | THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION INTERNAL QUICK DISCONNECT ALL ENDS |
| CONNECTION STYLE | D2 PLAIN ALL ENDS |
| QUICK DISCONNECT METHOD | PUSH-PULL ALL ENDS |
| QUICK DISCONNECT NOMINAL SIZE | 0.500 INCHES ALL ENDS |
| THREAD SERIES DESIGNATOR | NPTF ALL ENDS |
| NOMINAL THREAD SIZE | 0.500 INCHES ALL ENDS |
| FEATURES PROVIDED | SAFETY LOCKING FEATURE |
| (NON-CORE DATA) MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED | 500.0 POUNDS PER SQUARE INCH GAS 500.0 POUNDS PER SQUARE INCH FUEL/OIL, HYDROCARBON 500.0 POUNDS PER SQUARE INCH WATER 500.0 POUNDS PER SQUARE INCH HYDRAULIC FLUID, PETROLEUM BASE |
Restrictions/Controls & Freight Information | NSN 4730-00-580-2656
| Category | Code | Description |
|---|---|---|
| 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. |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 126880 | POWER TRANS SHAFTING PULLEYS |
| Less than car load rating | W | Rating Variable |
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 736 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | B | Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials. |
| 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 4730-00-580-2656
Marines| Category | Code | Description |
|---|---|---|
| Stores Account Code | 1 | Marine Corps Stock Fund Account Item. |
| Combat Essentiality Code | 2 | Non-Critical Repair Part. Repair parts or major components whose failure in an end item will not render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency, and which do not fit the definition of Code 3 or 4 items. |
| 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. |
| Physical Category Code | 1 | Bin |
| 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 | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |