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) | 01-337-5977 (013375977) |
| NCB Code | USA (01) |
| Manufacturer | Hi Shear Corporation, Lisi Aerospace Canada Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| HT357E8-21 | hi shear corporation | screw close tolerance | RFQ |
| HT357E8-21 | lisi aerospace canada corp | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASU | HEAD HEIGHT | 0.157 INCHES MINIMUM AND 0.160 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| ANEE | GRIP LENGTH | 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD32.0 MICROINCHES GRIP32.0 MICROINCHES THREADS |
| MATT | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR RINGNICKEL ALLOY 718 FASTENER |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AASA | THREAD LENGTH | 0.768 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 2.064 INCHES MINIMUM AND 2.111 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.966 INCHES MINIMUM AND 1.014 INCHES MAXIMUM |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| SFTT | SURFACE TREATMENT | PASSIVATE FASTENER |
| AASK | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| AAJD | THREAD CLASS | 3A |
| CBBL | FEATURES PROVIDED | O RING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| Relevant Components for NSN - 5305-01-337-5977, 5305013375977 | ||||
| 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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