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) | 00-890-0099 (008900099) |
| NCB Code | USA (00) |
| Manufacturer | Air Industries Corp, Hi Shear Corporation, Alcoa Fastening Systems Ltd, Sps Technologies Inc, Apcom Inc, Nor Cal Supply Coinc, Lisi Aerospace Canada Corp, F And C Sales Inc, Eriks Southwest Inc, Lawrence Engineering And Supply Inc, National Aerospace Standards Com, Durham Aircraft Service Inc, Collins Engineering Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| NAS1204-20 | air industries corp | screw close tolerance | RFQ |
| NAS1204-20 | hi shear corporation | screw close tolerance | RFQ |
| NAS1204-20 | alcoa fastening systems ltd | screw close tolerance | RFQ |
| NAS1204-20 | sps technologies inc | screw close tolerance | RFQ |
| NAS1204-20 | apcom inc | screw close tolerance | RFQ |
| NAS1204-20 | nor cal supply coinc | screw close tolerance | RFQ |
| NAS1204-20 | lisi aerospace canada corp | screw close tolerance | RFQ |
| NAS1204-20 | f and c sales inc | screw close tolerance | RFQ |
| NAS1204-20 | eriks southwest inc | screw close tolerance | RFQ |
| NAS1204-20 | lawrence engineering and supply inc | screw close tolerance | RFQ |
| NAS1204-20 | national aerospace standards com | screw close tolerance | RFQ |
| NS1204-20 | durham aircraft service inc | screw close tolerance | RFQ |
| NAS1204-20 | collins engineering corp | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AASA | THREAD LENGTH | 0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.551 INCHES MINIMUM AND 1.581 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.499 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS1204 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Relevant Components for NSN - 5305-00-890-0099, 5305008900099 | ||||
| 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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