| 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) | 01-177-3077 (011773077) |
| NCB Code | USA (01) |
| Manufacturer | Nimikkeistokeskus Ncb Finland, M And M Aerospace Hardware Inc, Honeywell International Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAWY | COUNTERBORE DIAMETER | 2.0700 INCHES MINIMUM AND 2.0900 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.2200 INCHES MINIMUM AND 0.2400 INCHES MAXIMUM |
| ABPR | FIRST STEP DIAMETER | 2.1300 INCHES MINIMUM AND 2.1500 INCHES MAXIMUM |
| ABXV | BORE DIAMETER | 1.8200 INCHES MINIMUM AND 1.8400 INCHES MAXIMUM |
| APGF | DESIGN TYPE | SOLID |
| BZDL | COUNTERBORE LENGTH | 0.1000 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 321STEEL,QQ-S-763,CLASS 316,COND A |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 302 FED SPEC 1ST MATERIAL RESPONSE OR MIL-S-7720,COMP 302 MIL SPEC 1ST MATERIAL RESPONSE OR QQ-S-763,CLASS 304 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-763,CLASS 304L FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-763,CLASS 310 FE |
| Relevant Components for NSN - 5340-01-177-3077, 5340011773077 | ||||
| 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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