| Item Name | Washer Recessed |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-042-8874 (010428874) |
| NCB Code | USA (01) |
| Manufacturer | Boeing Defence Australia, Leonardo Spa Aerostructure Division |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| BACW10BP4C | boeing defence australia | washer recessed | z8t75 | RFQ |
| NTA11551-4C | leonardo spa aerostructure division | washer recessed | a0170 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.250 INCHES MINIMUM AND 0.261 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.475 INCHES MINIMUM AND 0.495 INCHES MAXIMUM |
| ABMD | RECESS DIAMETER | 0.332 INCHES MINIMUM AND 0.352 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| CSTM | RECESS ANGLE | 90.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 4135 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18728 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-18733 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | NICKEL AND CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | RECESSED |
| ZZZK | SPECIFICATION/STANDARD DATA | 81205-BACW10BP MANUFACTURERS STANDARD |
| Components Related to NSN - 5310-01-042-8874, 5310010428874 | ||||
| 5325-01-017-8809 (5325010178809) | 5330-01-278-3019 (5330012783019) | 5365-01-304-3832 (5365013043832) | 5305-15-060-1487 (5305150601487) | |
| 5305-01-361-3193 (5305013613193) | 5330-01-259-4088 (5330012594088) | 5340-01-672-8342 (5340016728342) | 5342-00-452-9798 (5342004529798) | |
| 5310-01-175-0629 (5310011750629) | 5330-01-120-4149 (5330011204149) | 5331-01-441-4577 (5331014414577) | 5330-01-425-8795 (5330014258795) | |
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