AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Lag |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-009-1797 (000091797) |
| NCB Code | USA (00) |
| Manufacturer | Military Standards Corp, Federal Specifications |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MS16992-511 | military standards corp | screw lag | RFQ |
| FFB561 | federal specifications | screw lag | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASB | FASTENER LENGTH | 5.000 INCHES NOMINAL |
| AASK | HEAD STYLE | SQUARE |
| AASU | HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.425 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.237 INCHES MINIMUM FIRST SHOULDER AND 0.260 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.094 INCHES MINIMUM FIRST SHOULDER |
| CQBC | MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 60.0 ROCKWELL C NOMINAL OVERALL |
| CRGF | NONMACHINE THREAD STYLE | GIMLET POINT (TYPE A,AB OR BA) |
| CTYF | NONMACHINE NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FF-B-561,GRADE B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | ZINC OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A153-60 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 1 STYLE AND B GRADE |
| Relevant Components for NSN - 5305-00-009-1797, 5305000091797 | ||||
| 5305-00-825-1285 (5305008251285) | 5315-01-177-1845 (5315011771845) | 5340-01-536-0624 (5340015360624) | 5330-01-398-3824 (5330013983824) | |
| 5365-00-602-2520 (5365006022520) | 5340-01-658-6711 (5340016586711) | 5306-00-488-7520 (5306004887520) | 5310-00-443-4905 (5310004434905) | |
| 5305-00-579-4230 (5305005794230) | 5306-01-488-3599 (5306014883599) | 5340-01-429-0378 (5340014290378) | 5305-01-208-9074 (5305012089074) | |
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