| Item Name | Washer Concave |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-167-0735 (001670735) |
| NCB Code | USA (00) |
| Manufacturer | Defense Logistics Agency, Aeronautical Standards Group |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.562 INCHES NOMINAL |
| ABGG | RADIUS | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 1.500 INCHES NOMINAL |
| ABMD | RECESS DIAMETER | 0.750 INCHES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.125 INCHES NOMINAL |
| CQFM | HARDNESS RATING | 70.0 ROCKWELL B MINIMUM AND 86.0 ROCKWELL B MAXIMUM |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES |
| MATT | MATERIAL | STEEL OR STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1025 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-630 FED SPEC ALL MATERIAL RESPONSES OR QQ-S-698 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-700 FED SPEC ALL MATERIAL RESPONSES OR AISI ASSN STD ALL MATERIAL RESPONSES OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | CONCAVE |
| Relevant Components for NSN - 5310-00-167-0735, 5310001670735 | ||||
| 5306-00-328-4387 (5306003284387) | 5315-00-597-5584 (5315005975584) | 5305-01-348-0619 (5305013480619) | 5305-01-552-2787 (5305015522787) | |
| 5330-01-171-0634 (5330011710634) | 5325-01-387-4976 (5325013874976) | 5320-00-343-5474 (5320003435474) | 5365-00-409-4173 (5365004094173) | |
| 5325-01-631-8303 (5325016318303) | 5330-01-466-9019 (5330014669019) | 5342-01-629-8604 (5342016298604) | 5330-00-785-0730 (5330007850730) | |
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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