| 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) | 01-012-5380 (010125380) |
| NCB Code | USA (01) |
| Manufacturer | Nimikkeistokeskus Ncb Finland, Honeywell International Inc, M And M Aerospace Hardware Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAWY | COUNTERBORE DIAMETER | 0.6150 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.1350 INCHES MINIMUM AND 0.1450 INCHES MAXIMUM |
| ABPR | FIRST STEP DIAMETER | 0.9450 INCHES MINIMUM AND 0.9550 INCHES MAXIMUM |
| ABXV | BORE DIAMETER | 0.0890 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM |
| APGF | DESIGN TYPE | SOLID |
| BBRB | END DIAMETER | 0.7150 INCHES MINIMUM AND 0.7250 INCHES MAXIMUM |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM |
| BZDL | COUNTERBORE LENGTH | 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM |
| BZMH | SPHERICAL SEAT TOP RADIUS | 0.0150 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 321 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 321 FED SPEC SINGLE MATERIAL RESPONSE |
| Components Related to NSN - 5340-01-012-5380, 5340010125380 | ||||
| 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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