| 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) | 01-129-8515 (011298515) |
| NCB Code | USA (01) |
| Manufacturer | Nimikkeistokeskus Ncb Finland, Eaton Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKW | OVERALL HEIGHT | 0.8430 INCHES NOMINAL |
| ABPR | FIRST STEP DIAMETER | 0.5350 INCHES MINIMUM AND 0.5400 INCHES MAXIMUM |
| ABPS | FIRST STEP LENGTH | 0.0950 INCHES NOMINAL |
| ABPT | SECOND STEP DIAMETER | 0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM |
| ABPU | SECOND STEP LENGTH | 0.1250 INCHES NOMINAL |
| ABPV | THIRD STEP DIAMETER | 0.9850 INCHES MINIMUM AND 0.9900 INCHES MAXIMUM |
| ABXV | BORE DIAMETER | 0.3430 INCHES NOMINAL |
| APGF | DESIGN TYPE | SOLID |
| BBRB | END DIAMETER | 0.5000 INCHES NOMINAL |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.5230 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | NOT CASEHARDENED |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE |
| SFTT | SURFACE TREATMENT | ANODIZE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PS13201,CLASS 1,TYPE 2,MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE |
| STYL | STYLE DESIGNATOR | SEAT |
| Components Related to NSN - 5340-01-129-8515, 5340011298515 | ||||
| 5340-01-631-5368 (5340016315368) | 5330-01-297-3590 (5330012973590) | 5360-00-245-2131 (5360002452131) | 5365-01-571-1663 (5365015711663) | |
| 5342-01-255-3551 (5342012553551) | 5330-01-556-4440 (5330015564440) | 5330-01-613-3472 (5330016133472) | 5342-01-259-3873 (5342012593873) | |
| 5340-00-575-1873 (5340005751873) | 5310-00-151-9032 (5310001519032) | 5315-01-622-0550 (5315016220550) | 5340-01-429-0419 (5340014290419) | |
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