AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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) | 00-339-3170 (003393170) |
| NCB Code | USA (00) |
| Manufacturer | Huntington Ingalls Incorporated, Elliott Inc, Unique Systems Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 640-54PC78 | huntington ingalls incorporated | seat helical compression spring | RFQ |
| NH30075PC81 | elliott inc | seat helical compression spring | RFQ |
| NH30081PC81 | elliott inc | seat helical compression spring | RFQ |
| NH30043PC78 | elliott inc | seat helical compression spring | RFQ |
| W98070PC21 | elliott inc | seat helical compression spring | RFQ |
| NH30073PC81 | elliott inc | seat helical compression spring | RFQ |
| NH30057PC81 | elliott inc | seat helical compression spring | RFQ |
| NH30069PC81 | elliott inc | seat helical compression spring | RFQ |
| NH30079PC81 | elliott inc | seat helical compression spring | RFQ |
| NH30057-81 | elliott inc | seat helical compression spring | RFQ |
| NH30055PC81 | elliott inc | seat helical compression spring | RFQ |
| NH30045PC78 | elliott inc | seat helical compression spring | RFQ |
| NH30067PC81 | elliott inc | seat helical compression spring | RFQ |
| NH30057-81 | unique systems inc | seat helical compression spring | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKW | OVERALL HEIGHT | 0.3400 INCHES NOMINAL |
| ABPR | FIRST STEP DIAMETER | 1.2500 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.2600 INCHES NOMINAL |
| APGF | DESIGN TYPE | SOLID |
| BBRB | END DIAMETER | 0.7500 INCHES NOMINAL |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.1525 INCHES NOMINAL |
| MATT | MATERIAL | STEEL |
| STYL | STYLE DESIGNATOR | SEAT |
| Relevant Components for NSN - 5340-00-339-3170, 5340003393170 | ||||
| 5365-00-981-3580 (5365009813580) | 5306-01-663-0372 (5306016630372) | 5330-00-259-1415 (5330002591415) | 5340-00-140-8006 (5340001408006) | |
| 5310-01-055-6080 (5310010556080) | 5340-01-571-9066 (5340015719066) | 5360-01-528-5575 (5360015285575) | 5340-01-254-4525 (5340012544525) | |
| 5310-01-456-0920 (5310014560920) | 5331-01-311-6975 (5331013116975) | 5330-00-147-6676 (5330001476676) | 5365-01-201-0770 (5365012010770) | |
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