Thank you for taking interest in Hamilton Sundstrand Corporation part number 556771, which is listed with the NSN 5340-00-987-5120 and a product description of “Seat Helical Compression Spring.” In order to receive procurement options on this particular listing, we ask that you fill out and submit the form provided below with as much information as you can concerning your needs. By supplying our staff with key details on your desired quantity, pricing target, and expedited fulfillment timeframe, we can respond with a quote that has been specifically tailored to your unique specifications. We also ask that you make us aware of any restrictions that you may have as soon as possible, such as if you have a time constraint or are seeking unlisted items.
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| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5340-00-987-5120 Item PartTypeName: SEAT,HELICAL COMPRESSION SPRING | 5340 | 009875120 | 0 | P | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 556771 | 6 | 2 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKW | OVERALL HEIGHT | 0.4000 INCHES NOMINAL |
| ABPR | FIRST STEP DIAMETER | 0.3980 INCHES MINIMUM AND 0.4040 INCHES MAXIMUM |
| ABPS | FIRST STEP LENGTH | 0.0300 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM |
| ABPT | SECOND STEP DIAMETER | 0.4900 INCHES MINIMUM AND 0.4960 INCHES MAXIMUM |
| ABPU | SECOND STEP LENGTH | 0.0350 INCHES MINIMUM AND 0.0450 INCHES MAXIMUM |
| ABXV | BORE DIAMETER | 0.2760 INCHES MINIMUM AND 0.2860 INCHES MAXIMUM |
| ALME | MATERIAL HARDNESS RATING | 75.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 79.5 ROCKWELL SUPERFICIAL 15-N MAXIMUM |
| AMFZ | SECOND END DIAMETER | 0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM |
| APGF | DESIGN TYPE | SOLID |
| BBRB | END DIAMETER | 0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.1930 INCHES MINIMUM AND 0.2430 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | 0.156 IN. DIA THRU HOLES EQUALLY SPACED IN 1ST END(4 HOLES);0.130 IN. DISTANCE FROM HOLE CTR TO END;NOT CASEHARDENED |
| MATT | MATERIAL | STEEL COMP 416 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 416 FED SPEC SINGLE MATERIAL RESPONSE |
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