| Item Name | Washer Flat |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-375-2871 (013752871) |
| NCB Code | USA (01) |
| Manufacturer | Federal Specifications |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7952 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| ABNM | THICKNESS | 0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AAUB | HOLE DIAMETER | 0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM |
| ABMW | PERIPHERAL SHAPE STYLE | ROUND |
| ADAV | OVERALL DIAMETER | 1.183 INCHES MINIMUM AND 1.208 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 1020 OVERALL AND STEEL COMP 1025 OVERALL |
| SFTT | SURFACE TREATMENT | ZINC OVERALL AND CHROMATE OVERALL |
| Components Related to NSN - 5310-01-375-2871, 5310013752871 | ||||
| 5330-01-317-6323 (5330013176323) | 5325-12-153-6230 (5325121536230) | 5330-01-457-9536 (5330014579536) | 5330-01-292-0190 (5330012920190) | |
| 5306-00-385-6716 (5306003856716) | 5330-01-596-0550 (5330015960550) | 5310-01-263-9122 (5310012639122) | 5365-00-685-7933 (5365006857933) | |
| 5330-01-284-5222 (5330012845222) | 5315-01-078-6855 (5315010786855) | 5325-00-373-0965 (5325003730965) | 5305-12-329-9677 (5305123299677) | |
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