5306-01-023-2426 BOLT,MACHINE Index 5305-01-023-2428 SCREW,TAPPING

National Stock Number:
5305-01-023-2427

Federal Supply Class:
5305

National Item Identification Number:
010232427

Description:
SCREW,TAPPING

Detail:
A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes SCREW, ASSEMBLED WASHER.


Manufacturer Information:
FF-S-10781348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
NONMACHINE THREAD STYLEGIMLET POINT (TYPE A, AB OR BA)
NONMACHINE NOMINAL THREAD DIAMETER0.190 INCHES
FASTENER LENGTH0.970 INCHES MINIMUM AND
1.030 INCHES MAXIMUM
MATERIALSTEEL COMP 304 OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION66 FED STD SINGLE TREATMENT RESPONSE OR
AISI ASSN STD ALL TREATMENT RESPONSES OR
SAE ASSN STD ALL TREATMENT RESPONSES OVERALL
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.340 INCHES MINIMUM AND
0.385 INCHES MAXIMUM
COUNTERSINK ANGLE81.0 DEGREES NOMINAL
INTERNAL DRIVE STYLESLOT
NONDEFINITIVE SPEC/STD DATAA TYPE
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY MATERIAL AND INTERNAL DRIVE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEFF-S-107


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