NSN 4730-01-416-8561 EB3461/3-20TY1L, EB3461320TY1L, 6640963
Product Details | PIPE TO BOSS ELBOW
4730-01-416-8561 A fitting that forms an angle of less than 180 degrees (3.141 radians) from the straight flow. One connecting end has standard pipe threads, or is unthreaded and designed to accommodate a pipe. The other end has external or internal machine threads (straight threads other than pipe or hose series), and is designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side or heel inlet(s). It is designed to connect a pipe or pipe fitting to a boss or boss fitting on items such as tanks, housings, valve fittings, or the like. See also ELBOW, PIPE; and ELBOW, PIPE TO TUBE. Excludes CONNECTOR, MULTIPLE, FLUID PRESSURE LINE.
Part Alternates: EB3461/3-20TY1L, EB3461320TY1L, 6640963, 4730-01-416-8561, 01-416-8561, 4730014168561, 014168561
Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | 26 JUL 1995 | 01-416-8561 | 22678 ( ELBOW, PIPE TO BOSS ) |
Demand History | NSN 4730-01-416-8561
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| EB3461/3-20TY1L | 2025-12-335 | 3 | DIBBS |
| EB3461/3-20TY1L | 2025-10-282 | 3 | DIBBS |
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Technical Data | NSN 4730-01-416-8561
| Characteristic | Specifications |
|---|---|
| MAXIMUM OPERATING PRESSURE | 450.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CONNECTION TYPE | THREADED EXTERNAL BOSS 2ND END |
| CONNECTION STYLE | B71A EXTERNAL SEAT FOR GASKET SEAL 2ND END |
| THREAD SERIES DESIGNATOR | UN 2ND END |
| NOMINAL THREAD SIZE | 2.312 INCHES 2ND END |
| THREAD QUANTITY PER INCH | 12 2ND END |
| THREAD CLASS | 3A 2ND END |
| LEG LENGTH | 4.266 INCHES NOMINAL 1ST END 3.172 INCHES NOMINAL 2ND END |
| FLOW ANGLE | 90.0 DEGREES |
| III END ITEM IDENTIFICATION | VALVE, SWING C; SEAWOLF CLASS SSN |
Restrictions/Controls & Freight Information | NSN 4730-01-416-8561
| 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 |
|---|---|---|
| No Freight Information | ||
Management | NSN 4730-01-416-8561
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 | 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 |