| Item Name | Button Beam |
| Federal Supply Group (FSG) | Aircraft and Airframe Structural Components |
| Federal Supply Class (FSC) | 1560 Airframe Structural Components |
| National Item Identification Number (NIIN) | 01-255-2789 (012552789) |
| NCB Code | USA (01) |
| Manufacturer | Northrop Grumman Systems Corporation, Colmar Instrument Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| A51B21817-11 | northrop grumman systems corporation | button beam | RFQ |
| A51B21817-11 | colmar instrument corp | button beam | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL,MIL-S-5000; CADMIUM AND CHROMATE,QQ-P-416 TY2 CL1; 1.000 IN. DIA LARGER FLANGE; 0.750 IN. DIA SMALLER FLANGE; 0.250 IN. GROOVE DIA; 0.350 IN. GROOVE LENGTH; 0.980 IN. OVERALL LENGTH; 0.250-28 UNJF-3A THD STUD; 0.450 IN. STUD LENGTH |
| Relevant Components for NSN - 1560-01-255-2789, 1560012552789 | ||||
| 1560-01-293-8887 (1560012938887) | 1560-01-474-1943 (1560014741943) | 1560-00-972-6873 (1560009726873) | 1560-00-249-8328 (1560002498328) | |
| 1560-01-529-3627 (1560015293627) | 1560-01-564-0891 (1560015640891) | 1560-01-493-8817 (1560014938817) | 1560-01-257-3375 (1560012573375) | |
| 1560-01-696-9542 (1560016969542) | 1560-01-674-8787 (1560016748787) | 1560-01-068-3029 (1560010683029) | 1560-01-684-1634 (1560016841634) | |
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