AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Washer Flat |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-132-1078 (011321078) |
| NCB Code | USA (01) |
| Manufacturer | Pioneer Machine Products Inc, Boeing Company The, Tect Aerospace Inc, Nimikkeistokeskus Ncb Finland, Lmi Aerospace Inc, Anillo Industries Inc, All Power Manufacturing Co Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 4M27C5 | pioneer machine products inc | washer flat | RFQ |
| 4M27C5 | boeing company the | washer flat | RFQ |
| 4M27C5 | tect aerospace inc | washer flat | RFQ |
| 10109631 | nimikkeistokeskus ncb finland | washer flat | RFQ |
| 4M27C5 | lmi aerospace inc | washer flat | RFQ |
| 4M27C5 | anillo industries inc | washer flat | RFQ |
| 4M27C5 | all power manufacturing co inc | washer flat | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AAUB | HOLE DIAMETER | 0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM |
| ABMW | PERIPHERAL SHAPE STYLE | ROUND |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| ABNM | THICKNESS | 0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM |
| ADAV | OVERALL DIAMETER | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 302 OVERALL OR STEEL COMP 304 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 COMP 302 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-S-763 CLASS 302 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-T-8506 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| Relevant Components for NSN - 5310-01-132-1078, 5310011321078 | ||||
| 5320-01-311-2514 (5320013112514) | 5365-01-606-7886 (5365016067886) | 5310-01-687-5946 (5310016875946) | 5331-01-345-2325 (5331013452325) | |
| 5331-01-137-6352 (5331011376352) | 5340-01-677-5187 (5340016775187) | 5310-01-215-1121 (5310012151121) | 5330-01-558-9303 (5330015589303) | |
| 5320-01-007-1870 (5320010071870) | 5365-00-542-0989 (5365005420989) | 5305-01-279-0723 (5305012790723) | 5315-01-181-8363 (5315011818363) | |
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