| 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) | 01-217-3201 (012173201) |
| NCB Code | USA (01) |
| Manufacturer | Hamilton Sundstrand Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAWY | COUNTERBORE DIAMETER | 1.3440 INCHES MINIMUM AND 1.4040 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 1.0470 INCHES MINIMUM AND 1.0770 INCHES MAXIMUM |
| ABPR | FIRST STEP DIAMETER | 3.2750 INCHES MINIMUM AND 3.3150 INCHES MAXIMUM |
| ABXV | BORE DIAMETER | 0.3230 INCHES MINIMUM AND 3.3330 INCHES MAXIMUM |
| BBRB | END DIAMETER | 1.4040 INCHES MINIMUM AND 1.4640 INCHES MAXIMUM |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.9850 INCHES MINIMUM AND 1.0150 INCHES MAXIMUM |
| BZDL | COUNTERBORE LENGTH | 0.9850 INCHES MINIMUM AND 1.0150 INCHES MAXIMUM |
| BZLQ | DISTANCE FROM CENTER TO BEGINNING OF RIDGE | 1.4060 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | APPL TO B-1B |
| STYL | STYLE DESIGNATOR | SEAT |
| SUPP | SUPPLEMENTARY FEATURES | USE WITH VALVE P/N 736633,FSCM 99167,FSC 4810 AND P/N 736262,NSN 4810-01-165-5918 |
| ZZZV | FSC APPLICATION DATA | VALVE,SHUTOFF,APU |
| Relevant Components for NSN - 5340-01-217-3201, 5340012173201 | ||||
| 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) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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