| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-117-1453 (011171453) |
| NCB Code | USA (01) |
| Manufacturer | Federal Specifications, Naval Ship Engineering Center |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| FF-S-86 | federal specifications | screw cap socket head | RFQ |
| SS426-4491157-PIECE 26 | naval ship engineering center | screw cap socket head | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 1.560 INCHES MINIMUM AND 1.620 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 0.625 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 11 |
| CRSQ | COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM |
| FEAT | SPECIAL FEATURES | MATERIAL IS NICKEL-COPPER ALLUMINUM; OFFSET YIELD STRENGTH IS 90,000 POUNDS PER SQUARE INCH; FF-S-86 USES THE 0.2 OFFSET YIELD |
| MATT | MATERIAL | NICKEL ALLOY K-500 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 4 TYPE |
| Relevant Components for NSN - 5305-01-117-1453, 5305011171453 | ||||
| 5320-01-318-6843 (5320013186843) | 5340-01-557-4760 (5340015574760) | 5340-00-336-3776 (5340003363776) | 5340-01-560-8528 (5340015608528) | |
| 5330-01-684-2979 (5330016842979) | 5310-01-185-8686 (5310011858686) | 5360-00-394-4491 (5360003944491) | 5320-01-267-6376 (5320012676376) | |
| 5315-00-432-8021 (5315004328021) | 5315-01-271-9296 (5315012719296) | 5340-01-353-1927 (5340013531927) | 5320-01-413-1816 (5320014131816) | |
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