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) | 00-890-0083 (008900083) |
| NCB Code | USA (00) |
| Manufacturer | National Aerospace Standards Com, Nor Cal Supply Coinc, Eriks Southwest Inc, Sps Technologies Inc, Apcom Inc, Lisi Aerospace Canada Corp, Hi Shear Corporation, Durham Aircraft Service Inc, Lawrence Engineering And Supply Inc, Air Industries Corp, Alcoa Fastening Systems Ltd, F And C Sales Inc, Collins Engineering Corp, Collins And Aikman Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| NAS1203-21 | national aerospace standards com | screw close tolerance | RFQ |
| NAS1203-21 | nor cal supply coinc | screw close tolerance | RFQ |
| NAS1203-21 | eriks southwest inc | screw close tolerance | RFQ |
| NAS1203-21 | sps technologies inc | screw close tolerance | RFQ |
| NAS1203-21 | apcom inc | screw close tolerance | RFQ |
| NAS1203-21 | lisi aerospace canada corp | screw close tolerance | RFQ |
| NAS1203-21W | sps technologies inc | screw close tolerance | RFQ |
| NAS1203-21 | hi shear corporation | screw close tolerance | RFQ |
| NAS1203-21 | durham aircraft service inc | screw close tolerance | RFQ |
| NAS1203-21W | durham aircraft service inc | screw close tolerance | RFQ |
| NAS1203-21W | lawrence engineering and supply inc | screw close tolerance | RFQ |
| NAS1203-21W | nor cal supply coinc | screw close tolerance | RFQ |
| NAS1203-21W | air industries corp | screw close tolerance | RFQ |
| NAS1203-21 | lawrence engineering and supply inc | screw close tolerance | RFQ |
| NAS1203-21 | alcoa fastening systems ltd | screw close tolerance | RFQ |
| NAS1203-21 | f and c sales inc | screw close tolerance | RFQ |
| NAS1203-21W | apcom inc | screw close tolerance | RFQ |
| NAS1203-21W | eriks southwest inc | screw close tolerance | RFQ |
| NAS1203-21W | collins engineering corp | screw close tolerance | RFQ |
| NAS1203-21W | hi shear corporation | screw close tolerance | RFQ |
| NAS1203-21 | collins and aikman corp | screw close tolerance | RFQ |
| NAS1203-21 | air industries corp | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AASA | THREAD LENGTH | 0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.573 INCHES MINIMUM AND 1.603 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.328 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 6150 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 8740 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OVERALL OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 5TH MATE |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS1203 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AAUR | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| ANEE | GRIP LENGTH | 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-00-890-0083, 5305008900083 | ||||
| 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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