| 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) | 01-284-5321 (012845321) |
| NCB Code | USA (01) |
| Manufacturer | Navair And Navsea Managed, Bae Systems Land And Armaments Inc, Inspektorat Wsparcia Sil Zbrojnych |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 2129564 | navair and navsea managed | seat helical compression spring | 10001 | RFQ |
| 2129564 | bae systems land and armaments inc | seat helical compression spring | 44114 | RFQ |
| 5340PL0897880 | inspektorat wsparcia sil zbrojnych | seat helical compression spring | 9009h | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAWY | COUNTERBORE DIAMETER | 2.3120 INCHES MINIMUM AND 2.3130 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 2.1560 INCHES NOMINAL |
| ABPR | FIRST STEP DIAMETER | 4.6250 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 1.9370 INCHES NOMINAL |
| AMFZ | SECOND END DIAMETER | 4.3990 INCHES MINIMUM AND 4.4400 INCHES MAXIMUM |
| APGF | DESIGN TYPE | SOLID |
| BBRB | END DIAMETER | 3.1870 INCHES NOMINAL |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.9680 INCHES NOMINAL |
| MATT | MATERIAL | ALUMINUM ALLOY 6061 |
| SFTT | SURFACE TREATMENT | ANODIZE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE |
| Relevant Components for NSN - 5340-01-284-5321, 5340012845321 | ||||
| 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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