| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-050-2176 (010502176) |
| NCB Code | USA (01) |
| Manufacturer | Eaton Aerospace Ltd |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 0.7490 INCHES MINIMUM AND 0.7495 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.625 INCHES MINIMUM AND 0.626 INCHES MAXIMUM |
| ADAR | BODY OUTSIDE DIAMETER | 0.635 INCHES MINIMUM AND 0.638 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 43.0 ROCKWELL C MINIMUM OVERALL AND 47.0 ROCKWELL C MAXIMUM OVERALL |
| CQKM | SEATING SURFACE SHAPE | FLAT |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.375 INCHES NOMINAL SECOND STEP |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.395 INCHES MINIMUM FIRST STEP AND 0.405 INCHES MAXIMUM FIRST STEP |
| CRTL | CRITICALITY CODE JUSTIFICATION | ABKK |
| MATT | MATERIAL | STEEL COMP 440C OVERALL OR STEEL COMP 440F OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL OR AMS5630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS5623 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Components Related to NSN - 4820-01-050-2176, 4820010502176 | ||||
| 4820-01-356-8840 (4820013568840) | 4820-01-143-9024 (4820011439024) | 4820-01-157-4248 (4820011574248) | 4820-01-127-1725 (4820011271725) | |
| 4820-00-006-5298 (4820000065298) | 4820-01-316-0099 (4820013160099) | 4810-01-258-6590 (4810012586590) | 4810-01-195-4212 (4810011954212) | |
| 4820-01-671-5782 (4820016715782) | 4820-01-435-0291 (4820014350291) | 4820-01-313-7304 (4820013137304) | 4820-01-691-9753 (4820016919753) | |
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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