AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Machine |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-501-0578 (015010578) |
| NCB Code | USA (01) |
| Manufacturer | Unimasco Inc, Federal Specifications, Electric Boat Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| AASA | THREAD LENGTH | 0.750 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AGAV | END ITEM IDENTIFICATION | TORP,TUBE |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| FEAT | SPECIAL FEATURES | ITEM IS SELF LOCKING |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| SR-1 | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-S-92 |
| SR-1 | SPEC/STD CONTROLLING DATA | |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | III TYPE AND Y-2C STYLE |
| CRSQ | COUNTERSINK ANGLE | 82.0 DEGREES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| SR-1 | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | 0.190-24UNC-2AX0.750L NICU |
| SR-1 | MANUFACTURERS CODE | 81348 |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| AAJD | THREAD CLASS | 2A |
| AASB | FASTENER LENGTH | 0.750 INCHES NOMINAL |
| AASL | HEAD DIAMETER | 0.340 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| CYAU | SCREW MATERIAL | NICKEL ALLOY 400 |
| Relevant Components for NSN - 5305-01-501-0578, 5305015010578 | ||||
| 5365-00-981-3580 (5365009813580) | 5306-01-663-0372 (5306016630372) | 5330-00-259-1415 (5330002591415) | 5340-00-140-8006 (5340001408006) | |
| 5310-01-055-6080 (5310010556080) | 5340-01-571-9066 (5340015719066) | 5360-01-528-5575 (5360015285575) | 5340-01-254-4525 (5340012544525) | |
| 5310-01-456-0920 (5310014560920) | 5331-01-311-6975 (5331013116975) | 5330-00-147-6676 (5330001476676) | 5365-01-201-0770 (5365012010770) | |
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