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National Stock Number:
5305-01-076-4898
Federal Supply Class:
5305
National Item Identification Number:
010764898
Description:
SCREW,CAP,HEXAGON HEAD
Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.
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Manufacturer Information:
| 3029270 | 00198 | PRATT & WHITNEY CANADA CORP | | SD30078 | 56878 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | THREAD LENGTH | 0.345 INCHES MINIMUM AND | | 0.365 INCHES MAXIMUM | | FASTENER LENGTH | 0.428 INCHES MINIMUM AND | | 0.448 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | MATERIAL DOCUMENT AND CLASSIFICATION | AM57477 FED STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | SILVER OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2411 FED STD SINGLE TREATMENT RESPONSE OVERALL | | HEAD HEIGHT | 0.250 INCHES MINIMUM AND | | 0.270 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.250 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 0.365 INCHES MINIMUM AND | | 0.385 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.040 INCHES NOMINAL | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 00198 | | MFR SOURCE CONTROLLING REFERENCE | 3029270 |
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