| Item Name | Seat Helical Compression Spring |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5340 Hardware Commercial |
| National Item Identification Number (NIIN) | 01-477-2560 (014772560) |
| NCB Code | USA (01) |
| Manufacturer | Boeing Company The, Goodrich Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 74A400566-2001 | boeing company the | seat helical compression spring | 76301 | RFQ |
| 74A400566-2001 | goodrich corporation | seat helical compression spring | 17576 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAWY | COUNTERBORE DIAMETER | 1.1750 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 0.3400 INCHES NOMINAL |
| ABPR | FIRST STEP DIAMETER | 2.2500 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.8800 INCHES NOMINAL |
| AGAV | III END ITEM IDENTIFICATION | MAIN LANDING GEAR, F/A-18(E/F) |
| BBRB | END DIAMETER | 1.3600 INCHES NOMINAL |
| BZDL | COUNTERBORE LENGTH | 0.2500 INCHES NOMINAL |
| CRTL | CRITICALITY CODE JUSTIFICATION | AGAV |
| CXCY | III PART NAME ASSIGNED BY CONTROLLING AGENCY | SEAT,SPRING |
| FEAT | SPECIAL FEATURES | SEAT, HELICAL COMPRESSION SPRING - LOWER PLANING LINK, MLG; FINISH PER STF 1205; FINISH PER ST1723;; MACHINING REQUIREMENTS PER PS23041; HEAT TREAT TO CONDITION H1025 PER PS15227 OR MIL-H-6875; |
| MATT | MATERIAL | STEEL COMP 630 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE |
| Relevant Components for NSN - 5340-01-477-2560, 5340014772560 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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