| Item Name | Retainer,Helical Compression Spr |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5340 Hardware Commercial |
| National Item Identification Number (NIIN) | 00-419-9551 (004199551) |
| NCB Code | USA (00) |
| Manufacturer | Army United States Department Of The |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| ABKW | OVERALL HEIGHT | 2.310 INCHES NOMINAL |
| ABTB | MOUNTING HOLE DIAMETER | 0.240 INCHES NOMINAL |
| ADAR | BODY OUTSIDE DIAMETER | 3.498 INCHES NOMINAL |
| ADAS | BODY INSIDE DIAMETER | 2.920 INCHES NOMINAL |
| ALME | MATERIAL HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
| BWRC | END HOLE DIAMETER | 2.100 INCHES NOMINAL |
| BWRD | INSIDE CHAMFER DEPTH | 0.030 INCHES NOMINAL |
| BWRF | OUTSIDE CHAMFER DEPTH | 0.030 INCHES NOMINAL |
| BWRG | INSIDE CHAMFER ANGLE IN DEG | 45.0 |
| BWRH | OUTSIDE CHAMFER ANGLE IN DEG | 45.0 |
| FEAT | SPECIAL FEATURES | USED ON M102 HOWITZER |
| MATT | MATERIAL | STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1022 OR STEEL COMP 1025 OR STEEL COMP 1030 OR STEEL COMP 1035 OR STEEL COMP 1040 OR STEEL COMP 1045 OR STEEL COMP 1 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE |
| SFTT | SURFACE TREATMENT | OXIDE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE |
| STYL | STYLE DESIGNATOR | PARALLEL |
| Relevant Components for NSN - 5340-00-419-9551, 5340004199551 | ||||
| 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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