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) | 01-145-9178 (011459178) |
| NCB Code | USA (01) |
| Manufacturer | Hi Shear Corporation, Sps Technologies Inc, Holman Mfg Co Inc, Lisi Aerospace Canada Corp, Northrop Grumman Systems Corporation, Alcoa Global Fasteners Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| GB510DF8-19 | hi shear corporation | screw close tolerance | RFQ |
| HL403-16-19 | sps technologies inc | screw close tolerance | RFQ |
| GB510DF8-19 | holman mfg co inc | screw close tolerance | RFQ |
| GB510DF8-19 | lisi aerospace canada corp | screw close tolerance | RFQ |
| GB510DF8-19 | northrop grumman systems corporation | screw close tolerance | RFQ |
| GB510DF8-19 | alcoa global fasteners inc | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.560 INCHES MINIMUM AND 0.590 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.753 INCHES MINIMUM AND 1.773 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.748 INCHES MINIMUM AND 0.754 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 0.438 INCHES |
| ANEE | GRIP LENGTH | 1.183 INCHES MINIMUM AND 1.193 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.190 INCHES MINIMUM AND 0.193 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATT | MATERIAL | STEEL COMP 431 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5628 ASSN STD SINGLE MATERIAL RESPONSE OR MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-145-9178, 5305011459178 | ||||
| 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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