NSN 4730-01-343-3451 2621-561-03 PIECE 59, 262156103PIECE59, 4864184
Product Details | FLUID FLOW RESTRICTOR
4730-01-343-3451 An item of solid one-piece construction, designed to restrict the flow of a fluid through it. It has an orifice of a smaller size than the diameter of flow into it. Excludes items such as VALVE (1), (as modified); and others with an adjustable orifice. Excludes pipe, tube, or hose fittings with restricted passages and items designed to test fluid flow. For items containing screens or filters, see RESTRICTOR UNIT, FLUID FLOW.
Part Alternates: 2621-561-03 PIECE 59, 262156103PIECE59, 4864184, 4864184 PIECE 59, 4864184PIECE59, 8454864184, 845-4864184, 845-4864184 PIECE 59, 8454864184PIECE59, 4730-01-343-3451, 01-343-3451, 4730013433451, 013433451
Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | 10 AUG 1991 | 01-343-3451 | 18263 ( RESTRICTOR, FLUID FLOW ) |
Demand History | NSN 4730-01-343-3451
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 4730-01-343-3451 | 2025-11-310 | 6 | DIBBS |
| 4730-01-343-3451 | 2025-09-247 | 15 | DIBBS |
| 4730-01-343-3451 | 2025-07-183 | 6 | DIBBS |
| 4730-01-343-3451 | 2024-10-291 | 8 | DIBBS |
| 4730-01-343-3451 | 2022-03-90 | 39 | DIBBS |
| 4730-01-343-3451 | 2022-02-39 | 13 | DIBBS |
| 4730-01-343-3451 | 2020-03-67 | 4 | DIBBS |
Cross Reference | NSN 4730-01-343-3451
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Technical Data | NSN 4730-01-343-3451
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY, MIL-C-15726, COMP 70-30, HARD |
| DESIGN TYPE | PLATE |
| THREAD PROVISION | UNTHREADED |
| OUTSIDE DIAMETER | 3.173 INCHES MINIMUM AND 3.177 INCHES MAXIMUM |
| LENGTH | 0.125 INCHES NOMINAL |
| ORIFICE DIAMETER | 1.250 INCHES NOMINAL |
| SPECIAL FEATURES | 3 HOLES 0.375 IN. DIA EQUALLY SPACED ON A 1.250 IN. BOLT CIRCLE |
Restrictions/Controls & Freight Information | NSN 4730-01-343-3451
| 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. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 052185 | PIPE,TUBING,OR PIPE OR TUBING FIT |
| Less than car load rating | ||
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 576 | unknown |
| Originating Activity Code | AX | Defense Supply Center Columbus Columbus, OH 43216-5000 |
| 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 4730-01-343-3451
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| 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 |