Item Name | Screw Cap Socket Head |
Federal Supply Group (FSG) | Hardware and Abrasives |
Federal Supply Class (FSC) | 5305 Screws |
National Item Identification Number (NIIN) | 01-286-7987 (012867987) |
NCB Code | USA (01) |
Manufacturer | American National Standards, Military Specifications |
Part Number | Manufacturer | Item Name | RFQ |
---|---|---|---|
1 4-28UNF 3A X 3 4 IN.LG | american national standards | screw cap socket head | RFQ |
MIL-S-1222 | military specifications | screw cap socket head | RFQ |
012867987 | military specifications | screw cap socket head | RFQ |
MIL-DTL-1222 | military specifications | screw cap socket head | RFQ |
MRC | Criteria | Characteristic |
---|---|---|
AAJD | THREAD CLASS | 3A |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASA | THREAD LENGTH | 0.649 INCHES MINIMUM |
AASB | FASTENER LENGTH | 0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
AASK | HEAD STYLE | FLAT CHAMFER |
AASL | HEAD DIAMETER | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
AASU | HEAD HEIGHT | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
ASDB | WIDTH ACROSS FLATS | 0.188 INCHES NOMINAL |
CMLP | THREAD QUANTITY PER INCH | 28 |
CQFM | HARDNESS RATING | 37.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL |
CSYM | SURFACE FINISH | 32.0 MICROINCHES THREADS |
CSYM | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
CSYM | SURFACE FINISH | 63.0 MICROINCHES GRIP |
MATT | MATERIAL | STEEL COMP 4340 OVERALL |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
THSD | THREAD SERIES DESIGNATOR | UNF |
ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 TYPE |
Relevant Components for NSN - 5305-01-286-7987, 5305012867987 | ||||
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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