| 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) | 01-233-9935 (012339935) |
| NCB Code | USA (01) |
| Manufacturer | Speco Corp |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| NF203129-1 | speco corp | seat helical compression spring | 78567 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKW | OVERALL HEIGHT | 0.3000 INCHES NOMINAL |
| ABPR | FIRST STEP DIAMETER | 1.3200 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.6310 INCHES MINIMUM AND 0.6320 INCHES MAXIMUM |
| ALME | MATERIAL HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM |
| APGF | DESIGN TYPE | SOLID |
| BBRB | END DIAMETER | 0.7470 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.1600 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | SIX HOLES,0.313 IN. MIN AND 0.318 IN. MAX DIA BY 0.100 IN. DEEP ON FIRST STEP DIA EQUALLY SPACED ON 1.000 IN. DIA BOLT CIRCLE; ONE KEYWAY IN BORE 0.127 IN. MIN AND 0.130 IN. MAX W,0.065 IN. MIN AND 0.069 IN. MAX DEEP BY 0.300 IN. LG |
| MATT | MATERIAL | STEEL,ASTM A322,OR ASTM A331,COMP 4340 |
| SFTT | SURFACE TREATMENT | OXIDE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| STYL | STYLE DESIGNATOR | SEAT |
| Relevant Components for NSN - 5340-01-233-9935, 5340012339935 | ||||
| 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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