With access to an inventory of over six billion parts, we feature Back Up Ring parts including MS28774-138, MS28774-129, MS28774-128, MS28774-128, MS28774-118 from top manufacturers like Eurocopter American, Airbus Helicopter, Goodrich Corporation, Schweizer Aircraft, Messier Dowty Inc. RFQ Experts is owned and operated by ASAP Semiconductor, a leading independent distributor in the aviation and aerospace industry. ASAP is committed to simplifying the procurement process, by cross-referencing part numbers, NSNs, and CAGE codes to ensure our customers always get the Back Up Ring parts they need. We are an AS9120B, ISO 9001:2015, and FAA AC 0056B certified company, and the only independent distributor with a No China Sourcing pledge, as part of our commitment to upholding quality standards.
| Part No | NSN | Item Name | QTY | RFQ |
|---|---|---|---|---|
| SRI41.3_2.45_1.5 | NA | back up ring | Avl | RFQ |
| SRI41.3-2.45-1.5 | NA | back up ring | Avl | RFQ |
| SRI41 3002 4501 500 | NA | back up ring | Avl | RFQ |
| SR6144-0006 | NA | back up ring | Avl | RFQ |
| S33157-123-12 | NA | back up ring | Avl | RFQ |
| S33157-110-112 | NA | back up ring | Avl | RFQ |
| S13050-3019 | NA | back up ring | Avl | RFQ |
| S11109-212 | NA | back up ring | Avl | RFQ |
| S11109-021 | NA | back up ring | Avl | RFQ |
| S11109-014 | NA | back up ring | Avl | RFQ |
| S11109-012 | NA | back up ring | Avl | RFQ |
| S11109-012 | NA | back up ring | Avl | RFQ |
| S11109-011 | NA | back up ring | Avl | RFQ |
| PK076-5111 | NA | back up ring | Avl | RFQ |
| PK075-5127 | NA | back up ring | Avl | RFQ |
| PK075-5122 | NA | back up ring | Avl | RFQ |
| PK075-5113 | NA | back up ring | Avl | RFQ |
| P02-267950 | 5365-99-463-5966 | back up ring | Avl | RFQ |
| NE29474 PL 4718 ITEM 6 | 5330-99-521-3649 | back up ring | Avl | RFQ |
| NE29472CP | 5330-99-521-3649 | back up ring | Avl | RFQ |
| NE29472 | 5330-99-521-3649 | back up ring | Avl | RFQ |
| MS28782-6 | NA | back up ring | Avl | RFQ |
| MS28782-36 | NA | back up ring | Avl | RFQ |
| MS28782-34 | NA | back up ring | Avl | RFQ |
| MS28782-29 | NA | back up ring | Avl | RFQ |
| MS28782-29 | NA | back up ring | Avl | RFQ |
| MS28782-16 | NA | back up ring | Avl | RFQ |
| MS28774-349 | NA | back up ring | Avl | RFQ |
| MS28774-347 | NA | back up ring | Avl | RFQ |
| MS28774-344 | NA | back up ring | Avl | RFQ |
| MS28774-336 | NA | back up ring | Avl | RFQ |
| MS28774-332 | NA | back up ring | Avl | RFQ |
| MS28774-327 | NA | back up ring | Avl | RFQ |
| MS28774-326 | NA | back up ring | Avl | RFQ |
| MS28774-250 | 5340-01-468-8133 | back up ring | Avl | RFQ |
| MS28774-246 | NA | back up ring | Avl | RFQ |
| MS28774-243 | NA | back up ring | Avl | RFQ |
| MS28774-216 | NA | back up ring | Avl | RFQ |
| MS28774-18 | NA | back up ring | Avl | RFQ |
| MS28774-15 | NA | back up ring | Avl | RFQ |
| MS28774-138 | NA | back up ring | Avl | RFQ |
| MS28774-129 | NA | back up ring | Avl | RFQ |
| MS28774-128 | NA | back up ring | Avl | RFQ |
| MS28774-128 | NA | back up ring | Avl | RFQ |
| MS28774-118 | NA | back up ring | Avl | RFQ |
| MS28774-115 | NA | back up ring | Avl | RFQ |
| MS28774-114 | NA | back up ring | Avl | RFQ |
| MS28774-112 | NA | back up ring | Avl | RFQ |
| MS28774-111 | NA | back up ring | Avl | RFQ |
| MS28774-028 | NA | back up ring | Avl | RFQ |
| MS28774-027 | NA | back up ring | Avl | RFQ |
| MS28774-026 | NA | back up ring | Avl | RFQ |
| MS28774-023 | NA | back up ring | Avl | RFQ |
| MS28774-016A18 | NA | back up ring | Avl | RFQ |
| MS28774-016 | NA | back up ring | Avl | RFQ |
| MS28774-011 | NA | back up ring | Avl | RFQ |
| MS28774-010 | NA | back up ring | Avl | RFQ |
| MS28774-008 | NA | back up ring | Avl | RFQ |
| MS27595-237 | NA | back up ring | Avl | RFQ |
| MS27595-230 | NA | back up ring | Avl | RFQ |
| MS27595-143 | NA | back up ring | Avl | RFQ |
| MS27595-017 | NA | back up ring | Avl | RFQ |
| M87911-124 | NA | back up ring | Avl | RFQ |
| M8791-1-346 | NA | back up ring | Avl | RFQ |
| M8791-1-218 | NA | back up ring | Avl | RFQ |
| M8791-1-214 | NA | back up ring | Avl | RFQ |
| M8791-1-126 | NA | back up ring | Avl | RFQ |
| M8791-1-113 | NA | back up ring | Avl | RFQ |
| M8791-1-018 | NA | back up ring | Avl | RFQ |
| M8791-1-016 | NA | back up ring | Avl | RFQ |
| M8791-1-008 | NA | back up ring | Avl | RFQ |
| M21628796 | NA | back up ring | Avl | RFQ |
| LF-9369 | 5340-01-625-7153 | back up ring | Avl | RFQ |
| HTE8215C1 | NA | back up ring | Avl | RFQ |
| HTE8215C1 | NA | back up ring | Avl | RFQ |
| HC-2021-01 | NA | back up ring | Avl | RFQ |
| HC-2019-222 | NA | back up ring | Avl | RFQ |
| GTS306-125 | NA | back up ring | Avl | RFQ |
| GTS305-129 | NA | back up ring | Avl | RFQ |
| GTS305-106 | NA | back up ring | Avl | RFQ |
| GTS258-14 | NA | back up ring | Avl | RFQ |
| GT7327MTP3 | NA | back up ring | Avl | RFQ |
| DSR4532 1223 | NA | back up ring | Avl | RFQ |
| DSR4297-1022 | NA | back up ring | Avl | RFQ |
| DSR4297-1014 | NA | back up ring | Avl | RFQ |
| DSR4297-1011 | NA | back up ring | Avl | RFQ |
| DSR4297-1009 | NA | back up ring | Avl | RFQ |
| CH250068-1 | NA | back up ring | Avl | RFQ |
| CH1756-0023 | NA | back up ring | Avl | RFQ |
| CH1756-0021 | NA | back up ring | Avl | RFQ |
| CH125215-26 | NA | back up ring | Avl | RFQ |
| CH106-01-016 | NA | back up ring | Avl | RFQ |
| BP090A021-PT00 | NA | back up ring | Avl | RFQ |
| BP090A011AT01 | NA | back up ring | Avl | RFQ |
| BGS70M110AT40 | NA | back up ring | Avl | RFQ |
| BDS3115-113C | NA | back up ring | Avl | RFQ |
| BDS3115-017C | NA | back up ring | Avl | RFQ |
| BDS3115-010C | NA | back up ring | Avl | RFQ |
| BAS9060-5 | NA | back up ring | Avl | RFQ |
| AIR122974 | NA | back up ring | Avl | RFQ |
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