Product Details | MACHINE BOLT

5306-00-688-1583 An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.

Part Alternates: 5306-00-688-1583, 00-688-1583, 5306006881583, 006881583

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 00-688-1583

Drawings & Photos | NSN 5306-00-688-1583


Cross Reference | NSN 5306-00-688-1583

Part Number Cage Code Manufacturer
NK4-4 26233 NYLOK CORPORATION DBA NYLOK WESTERN FASTENER DIV NYLOK
NK4-4F 26233 NYLOK CORPORATION DBA NYLOK WESTERN FASTENER DIV NYLOK

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Technical Data | NSN 5306-00-688-1583

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.437 INCHES MINIMUM AND 0.515 INCHES MAXIMUM
FASTENER LENGTH 0.515 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
MATERIAL STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OR AMS 6300 ASSN STD 6TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 125000 POUNDS PER SQUARE INCH
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
LOCKING FEATURE PELLET THREADS
GRIP LENGTH 0.047 INCHES MINIMUM AND 0.078 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD

Restrictions/Controls & Freight Information | NSN 5306-00-688-1583

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Category Code Description
No Freight Information