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) | 01-137-7258 (011377258) |
| NCB Code | USA (01) |
| Manufacturer | National Aerospace Standards Com, Nimikkeistokeskus Ncb Finland, Finmeccanica Spa Helicopters, Inspektorat Wsparcia Sil Zbrojnych, Aeronautical Standards Group |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| NAS1149C0532B | national aerospace standards com | washer flat | RFQ |
| 10109747 | nimikkeistokeskus ncb finland | washer flat | RFQ |
| NAS1149C0532B | finmeccanica spa helicopters | washer flat | RFQ |
| 5310PL0195525 | inspektorat wsparcia sil zbrojnych | washer flat | RFQ |
| AN960XC516L | aeronautical standards group | washer flat | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AAUB | HOLE DIAMETER | 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM |
| ABMW | PERIPHERAL SHAPE STYLE | ROUND |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| ABNM | THICKNESS | 0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM |
| ADAV | OVERALL DIAMETER | 0.557 INCHES MINIMUM AND 0.582 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL OR STEEL COMP 321 OVERALL OR STEEL COMP 347 OVERALL OR STEEL COMP 348 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OVERALL AND MIL-S-6721 MIL SPEC 2ND MATERIAL RESPONSE OVERALL AND MIL-S-6721 MIL SPEC 3RD MATERIAL RESPONSE OVERALL AND MIL-S-6721 MIL SPEC 4TH MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | OXIDE FILM OVERALL |
| Relevant Components for NSN - 5310-01-137-7258, 5310011377258 | ||||
| 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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