| 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) | 01-129-8518 (011298518) |
| NCB Code | USA (01) |
| Manufacturer | Eaton Corporation, Nimikkeistokeskus Ncb Finland |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKW | OVERALL HEIGHT | 0.4170 INCHES NOMINAL |
| ABPR | FIRST STEP DIAMETER | 0.3280 INCHES NOMINAL |
| ABPS | FIRST STEP LENGTH | 0.0600 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.1250 INCHES NOMINAL |
| ALME | MATERIAL HARDNESS RATING | 57.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM |
| AMFZ | SECOND END DIAMETER | 0.2100 INCHES NOMINAL |
| APGF | DESIGN TYPE | SOLID |
| BBRB | END DIAMETER | 0.3280 INCHES NOMINAL |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.2520 INCHES NOMINAL |
| BZMH | SPHERICAL SEAT TOP RADIUS | 0.0630 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | NOT CASEHARDENED |
| MATT | MATERIAL | STEEL COMP 440C |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 440C FED SPEC SINGLE MATERIAL RESPONSE |
| SFTT | SURFACE TREATMENT | PASSIVATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PS13001,MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE |
| STYL | STYLE DESIGNATOR | SEAT |
| Relevant Components for NSN - 5340-01-129-8518, 5340011298518 | ||||
| 5305-01-339-0166 (5305013390166) | 5365-01-662-5153 (5365016625153) | 5360-01-351-8647 (5360013518647) | 5305-00-452-2092 (5305004522092) | |
| 5320-01-350-0370 (5320013500370) | 5365-01-048-9619 (5365010489619) | 5330-01-329-6615 (5330013296615) | 5331-00-493-8173 (5331004938173) | |
| 5330-00-146-3153 (5330001463153) | 5305-00-052-8884 (5305000528884) | 5330-01-651-5544 (5330016515544) | 5310-00-444-5136 (5310004445136) | |
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