NSN 4730-00-278-3683 AN9276D, AN927-6D, AN927D6
Product Details | BOSS ELBOW
4730-00-278-3683 A fitting that forms an angle of less than 180 degrees (3.141 radians) from the straight flow. The boss connections have external and/or internal machine threads (straight threads other than pipe or hose series), and are 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 join two bosses or boss fittings on items such as tanks, housings, valve fittings, and the like. Excludes ELBOW, TUBE.
Part Alternates: AN9276D, AN927-6D, AN927D6, AN939D6, AS5190W06, MILF5509, MIL-F-5509, 7145696, 4730-00-278-3683, 00-278-3683, 4730002783683, 002783683
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 | 00-278-3683 | 22676 ( ELBOW, BOSS ) |
Demand History | NSN 4730-00-278-3683
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 4730-00-278-3683 | 2025-06-174 | 55 | DIBBS |
| 4730-00-278-3683 | 2025-06-163 | 55 | DIBBS |
| 4730-00-278-3683 | 2025-05-148 | 11 | DIBBS |
| 4730-00-278-3683 | 2025-01-15 | 11 | DIBBS |
| 4730-00-278-3683 | 2024-12-346 | 44 | DIBBS |
| 4730-00-278-3683 | 2023-11-328 | 248 | DIBBS |
| 4730-00-278-3683 | 2023-11-316 | 248 | DIBBS |
| 4730-00-278-3683 | 2023-03-79 | 182 | DIBBS |
| 4730-00-278-3683 | 2023-03-68 | 182 | DIBBS |
| 4730-00-278-3683 | 2022-12-363 | 124 | DIBBS |
| 4730-00-278-3683 | 2019-02-41 | 20 | DIBBS |
| 4730-00-278-3683 | 2018-11-317 | 100 | DIBBS |
| MILF5509 | 2018-07-201 | 6 | United States |
| AS5190W06 | 2017-11-332 | 1 | US |
| 4730-00-278-3683 | 2017-09-257 | 2 | TR |
| 4730-00-278-3683 | 2016-08-228 | 34 | DIBBS |
| 4730-00-278-3683 | 2016-08-215 | 34 | DIBBS |
| 4730-00-278-3683 | 2016-02-52 | 102 | DIBBS |
| 4730-00-278-3683 | 2015-09-250 | 175 | DIBBS |
| 4730-00-278-3683 | 2015-05-147 | 102 | DIBBS |
| MILF5509 | 2009-10-301 | 1 | PK |
| MILF5509 | 2009-02-55 | 100 | US |
| 4730-00-278-3683 | 2008-11-320 | 824 | DIBBS |
| AN939D6 | 2008-01-15 | 1 | South Africa |
Cross Reference | NSN 4730-00-278-3683
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7145696 | 19204 | ARMY UNITED STATES DEPARTMENT OF THE |
| AN927-6D | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
| AN927D6 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
| AN939D6 | 00624 | EATON CORPORATION DBA AEROSPACE DIV |
| AN939D6 | 06581 | ALLAN AIRCRAFT SUPPLY CO, LLC |
| AN939D6 | 13899 | HYDRO FITTING MANUFACTURING CORPORATION |
| AN939D6 | 14397 | FABER ENTERPRISES, INC. |
| AN939D6 | 14798 | DESIGNED METAL CONNECTIONS, INC. DBA PERMASWAGE |
| AN939D6 | 30974 | AEROFIT, LLC |
| AN939D6 | 71563 | COLLINS ENGINEERING CORP |
| AN939D6 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
| AN939D6 | R1120 | SATAIR A/S |
| AS5190W06 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| MIL-F-5509 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY |
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Technical Data | NSN 4730-00-278-3683
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 7075 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-367,T6 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-367,T73 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID 1ST RESPONSE OXYGEN, GASEOUS 2ND RESPONSE |
| MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 380.0 DEG FAHRENHEIT 1ST RESPONSE -65.0 DEG FAHRENHEIT 2ND RESPONSE |
| CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS |
| CONNECTION STYLE | B9 GASKET SEAL ALL ENDS |
| THREAD SERIES DESIGNATOR | UNJF ALL ENDS |
| NOMINAL THREAD SIZE | 0.562 INCHES ALL ENDS |
| THREAD CLASS | 3B ALL ENDS |
| LEG LENGTH | 0.812 INCHES MINIMUM AND 0.830 INCHES MAXIMUM ALL ENDS |
| FLOW ANGLE | 90.0 DEGREES |
| SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL |
| SPECIFICATION/STANDARD DATA | 88044-AN939 GOVERNMENT STANDARD AND 81349-MIL-F-5509 GOVERNMENT SPECIFICATION |
| CRITICALITY CODE JUSTIFICATION | FEAT |
Restrictions/Controls & Freight Information | NSN 4730-00-278-3683
| 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: | U | Precious metal type is unknown |
| Criticality Code: | Y | The item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||