| 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) | 00-790-9729 (007909729) |
| NCB Code | USA (00) |
| Manufacturer | Eaton Aerospace Ltd, General Signal Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKW | OVERALL HEIGHT | 0.8750 INCHES NOMINAL |
| ABPT | SECOND STEP DIAMETER | 1.1900 INCHES NOMINAL |
| ABPU | SECOND STEP LENGTH | 0.0500 INCHES NOMINAL |
| BZLN | SECOND COUNTERBORE DIAMETER | 0.7650 INCHES NOMINAL |
| ZZZV | FSC APPLICATION DATA | PUMP UNIT,RECIPROCATING 4320006650747 165WG01001 |
| AAWY | COUNTERBORE DIAMETER | 0.3750 INCHES NOMINAL |
| ABPR | FIRST STEP DIAMETER | 0.8940 INCHES MINIMUM AND 0.8970 INCHES MAXIMUM |
| ABPS | FIRST STEP LENGTH | 0.6060 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.2787 INCHES MINIMUM AND 0.2847 INCHES MAXIMUM |
| BBRB | END DIAMETER | 0.5160 INCHES NOMINAL |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.2190 INCHES NOMINAL |
| BZDL | COUNTERBORE LENGTH | 0.6890 INCHES NOMINAL |
| BZDM | SECOND COUNTERBORE LENGTH | 0.5800 INCHES NOMINAL |
| MATT | MATERIAL | STEEL |
| Components Related to NSN - 5340-00-790-9729, 5340007909729 | ||||
| 5306-00-660-3288 (5306006603288) | 5340-01-138-8180 (5340011388180) | 5330-01-323-8411 (5330013238411) | 5360-01-204-0090 (5360012040090) | |
| 5307-00-612-4110 (5307006124110) | 5340-01-482-4141 (5340014824141) | 5310-01-062-0524 (5310010620524) | 5340-01-597-2720 (5340015972720) | |
| 5325-99-120-1207 (5325991201207) | 5315-01-696-7898 (5315016967898) | 5340-01-137-3603 (5340011373603) | 5355-01-379-0440 (5355013790440) | |
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