AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-851-6409 (008516409) |
| NCB Code | USA (00) |
| Manufacturer | Alcoa Fastening Systems Ltd, Collins Engineering Corp, Apcom Inc, Lawrence Engineering And Supply Inc, F And C Sales Inc, Air Industries Corp, National Aerospace Standards Com, Durham Aircraft Service Inc, Nor Cal Supply Coinc, Eriks Southwest Inc, Sps Technologies Inc, Lisi Aerospace Canada Corp, Hi Shear Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| NAS1203-18 | alcoa fastening systems ltd | screw close tolerance | RFQ |
| NAS1203-18 | collins engineering corp | screw close tolerance | RFQ |
| NAS1203-18 | apcom inc | screw close tolerance | RFQ |
| NAS1203-18 | lawrence engineering and supply inc | screw close tolerance | RFQ |
| NAS1203-18 | f and c sales inc | screw close tolerance | RFQ |
| NAS1203-18 | air industries corp | screw close tolerance | RFQ |
| NAS1203-18 | national aerospace standards com | screw close tolerance | RFQ |
| NAS1203-18 | durham aircraft service inc | screw close tolerance | RFQ |
| NAS1203-18 | nor cal supply coinc | screw close tolerance | RFQ |
| NAS1203-18 | eriks southwest inc | screw close tolerance | RFQ |
| NAS1203-18 | sps technologies inc | screw close tolerance | RFQ |
| NAS1203-18 | lisi aerospace canada corp | screw close tolerance | RFQ |
| NAS1203-18 | hi shear corporation | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AASB | FASTENER LENGTH | 1.386 INCHES MINIMUM AND 1.416 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| ANEE | GRIP LENGTH | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.328 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| MATT | MATERIAL | STEEL COMP E4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 6150 OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS1203 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Relevant Components for NSN - 5305-00-851-6409, 5305008516409 | ||||
| 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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