| Item Name | Reducer Boss |
| Federal Supply Group (FSG) | Pipe Tubing Hose and Fittings |
| Federal Supply Class (FSC) | 4730 Hose Pipe Tube Lubrication and Railing Fittings |
| National Item Identification Number (NIIN) | 00-289-2777 (002892777) |
| NCB Code | USA (00) |
| Manufacturer | Eaton Corp, Embraer S A, Embraer Empresa Brasileira De, Embraer Aviation International, Triumph Aerostructures Llc, Dana Corporation, Faber Enterprises Inc, Satair Usa Inc, Dana Holding Corporation, Globe Aerospace Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MS21916D4-3 | eaton corp | reducer boss | RFQ |
| 3117151 | embraer s a | reducer boss | RFQ |
| 3117151 | embraer empresa brasileira de | reducer boss | RFQ |
| 3117151 | embraer aviation international | reducer boss | RFQ |
| 215-26435-1 | triumph aerostructures llc | reducer boss | RFQ |
| ER919D4-3 | dana corporation | reducer boss | RFQ |
| ER894D4-3 | dana corporation | reducer boss | RFQ |
| MS21916D4-3 | faber enterprises inc | reducer boss | RFQ |
| MS21916D4-3 | satair usa inc | reducer boss | RFQ |
| MS21916D4-3 | dana corporation | reducer boss | RFQ |
| MS21916D4-3 | dana holding corporation | NA | RFQ |
| MS21916D4-3 | globe aerospace inc | reducer boss | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A ALL ENDS |
| ACSP | REDUCER TYPE | CONCENTRIC |
| AEHZ | MAXIMUM OPERATING TEMP | -65.0 DEG FAHRENHEIT 2ND RESPONSE |
| AEHZ | MAXIMUM OPERATING TEMP | 225.0 DEG FAHRENHEIT 1ST RESPONSE |
| AHNC | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL BOSS ALL ENDS |
| CQGM | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES 2ND END |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES 1ST END |
| CWFR | NOMINAL OVERALL LENGTH | 1.141 INCHES |
| MATT | MATERIAL | ALUMINUM ALLOY 2014 OVERALL OR ALUMINUM ALLOY 2024 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 6,CL 2,GOLD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MEDA | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID 1ST RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | OXYGEN, GASEOUS 2ND RESPONSE |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF ALL ENDS |
| ZZZK | SPECIFICATION/STANDARD DATA | 96906-MS21916 GOVERNMENT STANDARD |
| Relevant Components for NSN - 4730-00-289-2777, 4730002892777 | ||||
| 4730-99-998-9349 (4730999989349) | 4730-99-998-9076 (4730999989076) | 4730-99-997-1567 (4730999971567) | 4730-99-996-9263 (4730999969263) | |
| 4730-99-995-7866 (4730999957866) | 4730-99-994-5918 (4730999945918) | 4730-99-994-0160 (4730999940160) | 4730-99-991-1204 (4730999911204) | |
| 4730-99-990-6814 (4730999906814) | 4730-99-989-6205 (4730999896205) | 4730-99-988-2873 (4730999882873) | 4730-99-987-5190 (4730999875190) | |
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