| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-842-1639 (008421639) |
| NCB Code | USA (00) |
| Manufacturer | Avibank Mfg Inc, Alcoa Global Fasteners Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| AS104 04 78 | avibank mfg inc | screw close tolerance | 84256 | RFQ |
| CA2730-4-78 | alcoa global fasteners inc | screw close tolerance | 29372 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.270 INCHES MINIMUM AND 0.323 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 5.313 INCHES MINIMUM AND 5.333 INCHES MAXIMUM |
| AASK | HEAD STYLE | FILLISTER |
| AASL | HEAD DIAMETER | 0.374 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.273 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2487 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM ALL HOLES AND 0.086 INCHES MAXIMUM ALL HOLES |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 4.875 INCHES MINIMUM AND 4.895 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 5.224 INCHES NOMINAL ALL HOLES |
| FEAT | SPECIAL FEATURES | RETAINING ELEMENT IN SHANK |
| MATT | MATERIAL | STEEL OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Relevant Components for NSN - 5305-00-842-1639, 5305008421639 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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