| Item Name | Spring Helical Extension |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5360 Coil Flat Leaf and Wire Springs |
| National Item Identification Number (NIIN) | 00-053-2440 (000532440) |
| NCB Code | USA (00) |
| Manufacturer | International Business Machines Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AARX | INSIDE DIAMETER | 0.253 INCHES NOMINAL |
| ABQK | END STYLE | FULL LOOP BOTH ENDS |
| AGEK | SPRING FREE LENGTH | 2.250 INCHES NOMINAL |
| APCN | COIL QUANTITY | 24-3/4 |
| APGF | DESIGN TYPE | CLOSED |
| AXLH | COIL HELIX DIRECTION | RIGHT-HAND |
| AXLQ | SPRING FREE OUTSIDE DIAMETER | 0.345 INCHES NOMINAL |
| AXMC | HOOK RADIUS | 0.156 INCHES NOMINAL BOTH ENDS |
| FEAT | SPECIAL FEATURES | ENDS MADE FROM STEEL STRIP,0.043 THK BY 0.562 INCH LG BY 0.500 INCH W. ONE END WITH 0.250 INCH RADIUS,0.312 DIA.HOLE ON RADIUS CTR.OTHER END SQUARE WITH TWO 0.062 INCH DIA HOLES 0.299 INCH C TO C FOR SPRING WIRE ATTACHMENT |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | OXIDE OVERALL |
| STYL | STYLE DESIGNATOR | CYLINDRICAL |
| Relevant Components for NSN - 5360-00-053-2440, 5360000532440 | ||||
| 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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