| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-347-8145 (013478145) |
| NCB Code | USA (01) |
| Manufacturer | Deutsch Co The, Sps Technologies Inc, Alcoa Global Fasteners Inc, Huck International Inc, Hi Shear Corporation, Lisi Aerospace Canada Corp |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| CHT4057-5-6 | deutsch co the | screw close tolerance | 17419 | RFQ |
| CHT4057-5-6 | sps technologies inc | screw close tolerance | 80539 | RFQ |
| CHT4057-5-6 | alcoa global fasteners inc | screw close tolerance | 92215 | RFQ |
| HT4057-5-6 | huck international inc | screw close tolerance | 17446 | RFQ |
| HT4057-5-6 | alcoa global fasteners inc | screw close tolerance | 92215 | RFQ |
| HT4057-5-6 | hi shear corporation | screw close tolerance | 73197 | RFQ |
| HT4057-5-6 | lisi aerospace canada corp | screw close tolerance | l4528 | RFQ |
| HT4057-5-6 | sps technologies inc | screw close tolerance | 80539 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASA | THREAD LENGTH | 0.531 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 0.766 INCHES MINIMUM AND 0.796 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.575 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| ANEE | GRIP LENGTH | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP XM-13 OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488 TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAJD | THREAD CLASS | 3A |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD32.0 MICROINCHES GRIP32.0 MICROINCHES THREADS |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| CBBL | FEATURES PROVIDED | CETYL ALCOHOL LUBRICANT |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| SFTT | SURFACE TREATMENT | ALUMINUM OVERALL AND CHROMATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Components Related to NSN - 5305-01-347-8145, 5305013478145 | ||||
| 5340-01-301-6428 (5340013016428) | 5315-01-359-8766 (5315013598766) | 5330-01-647-7723 (5330016477723) | 5330-00-883-3709 (5330008833709) | |
| 5330-01-632-1994 (5330016321994) | 5330-01-209-0521 (5330012090521) | 5306-00-687-6359 (5306006876359) | 5331-01-699-1752 (5331016991752) | |
| 5340-00-337-5707 (5340003375707) | 5340-00-427-0270 (5340004270270) | 5342-00-467-6645 (5342004676645) | 5340-01-227-0536 (5340012270536) | |
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