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National Stock Number:
5305-01-359-8901
Federal Supply Class:
5305
National Item Identification Number:
013598901
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:
| 5516177 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | THREAD LENGTH | 1.126 INCHES MINIMUM AND | | 1.314 INCHES MAXIMUM | | FASTENER LENGTH | 2.406 INCHES MINIMUM AND | | 2.500 INCHES MAXIMUM | | MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURE | | STEEL COMP 301 OR | | STEEL COMP 302 OR | | STEEL COMP 302B OR | | STEEL COMP 303 OR | | STEEL COMP 303SE OR | | STEEL COMP 304 OR | | STEEL COMP 304L OR | | STEEL COMP 305 OR | | STEEL COMP 308 OR | | STEEL COMP 309 OR | | STEEL COMP 309S OR | | STEEL COMP 310 OR | | STEEL COMP 310S OR | | STEEL COMP 314 OR | | STEEL COMP 316 OR | | STEEL COMP 316L OR | | STEEL COMP 317 OR | | STEEL COMP 321 OR | | STEEL COMP 347 OR | | STEEL COMP 348 OR | | STEEL COMP 384 OR | | STEEL COMP 385 FASTENER | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 2A | | MATERIAL DOCUMENT AND CLASSIFICATION | L-P-410 ASSN STD SINGLE MATERIAL RESPONSE LOCKING FEATURE | | FED-STD66 FED STD ALL MATERIAL RESPONSES FASTENER | | SURFACE TREATMENT | PASSIVATE FASTENER | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER | | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.272 INCHES MINIMUM AND | | 0.291 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.612 INCHES MINIMUM AND | | 0.625 INCHES MAXIMUM | | LOCKING FEATURE | PELLET THREADS | | SPECIAL FEATURES | FASTENER END CSK. 0.215 IN. DIA. PORM 0.005 IN. X 120 DEG.; LOCKING FEATURE IS 0.1875 IN. DIA. PORM 0.001 IN. X 0.435IN. DEEP PORM 0.005 IN.,LOCATED 0.470 IN. PORM 0.030 IN. FROM FASTENER END |
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