| Item Name | Washer Concave |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-083-9303 (000839303) |
| NCB Code | USA (00) |
| Manufacturer | Alcoa Global Fasteners Inc, Sps Technologies Inc, Harvard Industries Inc, Alcoa Fastening Systems Ltd, Anillo Industries Inc, Boeing Company The, Satair Usa Inc, The Boeing Company, Huck International Inc, Reid Products Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| TLN1020L3W | alcoa global fasteners inc | washer concave | 92215 | RFQ |
| 53488W-1032 | sps technologies inc | washer concave | 56878 | RFQ |
| 6073-0 | harvard industries inc | washer concave | 72962 | RFQ |
| 3M348L3 | sps technologies inc | washer concave | 80539 | RFQ |
| TLN1020L3W | alcoa fastening systems ltd | washer concave | c4293 | RFQ |
| AS46-3 | anillo industries inc | washer concave | 10630 | RFQ |
| 3M348L3 | boeing company the | washer concave | 76301 | RFQ |
| K19701P3 | satair usa inc | washer concave | r1120 | RFQ |
| TLN1020L3W | sps technologies inc | washer concave | 80539 | RFQ |
| K19701P3 | alcoa global fasteners inc | washer concave | 15653 | RFQ |
| BACW10AU3 | the boeing company | washer concave | 81205 | RFQ |
| TLN1020L3W | huck international inc | washer concave | 97928 | RFQ |
| TLN1020L3W | reid products inc | washer concave | 59563 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.252 INCHES MINIMUM AND 0.258 INCHES MAXIMUM |
| ABGG | RADIUS | 0.235 INCHES MINIMUM AND 0.240 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| ABMH | RECESS DEPTH | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES COUNTERBORE WALL |
| HEAT | HEAT TREATMENT | AS FABRICATED |
| MATT | MATERIAL | STEEL COMP 8740 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 4027 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-6758 MIL SPEC 3RD MATERIAL RESPONSE OVERALL OR MIL-S-18729 MIL SPEC 3RD MATERIAL RESPONSE OVERALL OR ASTM A322 ASSN STD 4TH MATE |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | CONCAVE |
| ZZZK | SPECIFICATION/STANDARD DATA | 81205-BACW10AU MANUFACTURERS STANDARD |
| Relevant Components for NSN - 5310-00-083-9303, 5310000839303 | ||||
| 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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