| 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) | 01-374-1819 (013741819) |
| NCB Code | USA (01) |
| Manufacturer | Litton Systems Inc, Northrop Grumman Systems Corporation, Barnes Group Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 841940-1 | litton systems inc | spring helical extension | 13973 | RFQ |
| 841940-1 | northrop grumman systems corporation | spring helical extension | 06481 | RFQ |
| 841940-1 | barnes group inc | spring helical extension | 77535 | RFQ |
| E0300-055-1000S | barnes group inc | spring helical extension | 77535 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABQK | END STYLE | SHORT TWISTED HOOK BOTH ENDS |
| ACVU | STOCK DIAMETER | 0.053 INCHES MINIMUM AND 0.057 INCHES MAXIMUM |
| AGEK | SPRING FREE LENGTH | 1.000 INCHES NOMINAL |
| APGF | DESIGN TYPE | MAINSPRING |
| AXLP | SPRING DEFLECTION RATE | 69.930 POUNDS PER INCH MINIMUM AND 85.470 POUNDS PER INCH MAXIMUM |
| AXLQ | SPRING FREE OUTSIDE DIAMETER | 0.292 INCHES MINIMUM AND 0.308 INCHES MAXIMUM |
| AXMH | END ANGULAR RELATIONSHIP | ENDS PARALLEL ONE TO OTHER |
| CXTJ | COIL TO HOOK INSIDE LENGTH | 0.190 INCHES NOMINAL BOTH ENDS |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AARX | INSIDE DIAMETER | 0.190 INCHES NOMINAL |
| APCN | COIL QUANTITY | 12 |
| ASZD | LOAD RATING | 15.975 POUNDS MINIMUM AND 19.525 POUNDS MAXIMUM |
| AXLH | COIL HELIX DIRECTION | RIGHT-HAND OR LEFT-HAND |
| AXMC | HOOK RADIUS | 0.146 INCHES MINIMUM BOTH ENDS AND 0.154 INCHES MAXIMUM BOTH ENDS |
| STYL | STYLE DESIGNATOR | CYLINDRICAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A 313 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5688 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATT | MATERIAL | STEEL COMP 302 OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| Relevant Components for NSN - 5360-01-374-1819, 5360013741819 | ||||
| 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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