| 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) | 00-872-8260 (008728260) |
| NCB Code | USA (00) |
| Manufacturer | Lockheed Martin Corporation, Arrow Fasteners Inc, Litton Systems Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 182-55-00-02 | lockheed martin corporation | seat helical compression spring | 56232 | RFQ |
| 182-55-00-02 | arrow fasteners inc | seat helical compression spring | 92755 | RFQ |
| 185-55-00-02 | litton systems inc | seat helical compression spring | 25549 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABPR | FIRST STEP DIAMETER | 0.7500 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.3760 INCHES MINIMUM AND 0.3810 INCHES MAXIMUM |
| APGF | DESIGN TYPE | SOLID |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.0620 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | PASSIVATE |
| ABKW | OVERALL HEIGHT | 0.1090 INCHES NOMINAL |
| ALME | MATERIAL HARDNESS RATING | 40.0 ROCKWELL C NOMINAL |
| BBRB | END DIAMETER | 0.4270 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL CORROSION RESISTING |
| STYL | STYLE DESIGNATOR | SEAT |
| Relevant Components for NSN - 5340-00-872-8260, 5340008728260 | ||||
| 5330-01-701-4089 (5330017014089) | 5305-01-213-9722 (5305012139722) | 5320-01-460-5665 (5320014605665) | 5306-01-475-3608 (5306014753608) | |
| 5306-01-626-6230 (5306016266230) | 5306-00-292-8749 (5306002928749) | 5342-01-673-3505 (5342016733505) | 5330-01-283-1784 (5330012831784) | |
| 5365-01-228-1431 (5365012281431) | 5365-00-466-3750 (5365004663750) | 5310-00-595-7616 (5310005957616) | 5305-00-550-0140 (5305005500140) | |
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