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) | 01-173-3630 (011733630) |
| NCB Code | USA (01) |
| Manufacturer | Boeing Company The, Nimikkeistokeskus Ncb Finland, Tect Aerospace Inc, Pioneer Machine Products Inc, Anillo Industries Inc, All Power Manufacturing Co Inc, Lmi Aerospace Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 4M27C4 | boeing company the | washer flat | RFQ |
| 10110039 | nimikkeistokeskus ncb finland | washer flat | RFQ |
| 4M27C4 | tect aerospace inc | washer flat | RFQ |
| 4M27C4 | pioneer machine products inc | washer flat | RFQ |
| 4M27C4 | anillo industries inc | washer flat | RFQ |
| 4M27C4 | all power manufacturing co inc | washer flat | RFQ |
| 4M27C4 | lmi aerospace inc | washer flat | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AAUB | HOLE DIAMETER | 0.128 INCHES MINIMUM AND 0.138 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 | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 302 OVERALL OR STEEL COMP 304 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059,COND ANNEALED MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-S-763,COND ANNEALED FED SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-T-8506,COND ANNEALED MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 5310-01-173-3630, 5310011733630 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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