| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-023-9722 (010239722) |
| NCB Code | USA (01) |
| Manufacturer | Avibank Mfg Inc, Alcoa Global Fasteners Inc, National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| AS124-4-20 | avibank mfg inc | screw close tolerance | 84256 | RFQ |
| CA2653-4-20 | alcoa global fasteners inc | screw close tolerance | 29372 | RFQ |
| MS21130-420 | national aerospace standards com | screw close tolerance | 80205 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AASA | THREAD LENGTH | 0.402 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.668 INCHES MINIMUM AND 1.688 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.449 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2487 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 1.250 INCHES MINIMUM AND 1.266 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQBC | MINIMUM TENSILE STRENGTH | 90000 POUNDS PER SQUARE INCH |
| CQHQ | MINIMUM YIELD STRENGTH | 63000 POUNDS PER SQUARE INCH |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.583 INCHES MINIMUM AND 1.599 INCHES MAXIMUM FIRST HOLE |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| FEAT | SPECIAL FEATURES | PLUNGER OPERATED SPRING LOADED RETAINING BALLS IN THREADS |
| MATT | MATERIAL | IRON ALLOY 660 OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-023-9722, 5305010239722 | ||||
| 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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