4820-01-487-2879 VALVE,SAFETY RELIEF Index 4820-01-487-2881 STEM,NEEDLE VALVE

National Stock Number:
5305-01-487-2880

Federal Supply Class:
5305

National Item Identification Number:
014872880

Description:
SCREW,WOOD

Detail:
An unhardened externally threaded fastener whose continuous thread extends from a gimlet point for a distance of approximately two-thirds of the length of the screw and which is designed to be driven with an inserted driver.


Manufacturer Information:
FF-S-11181348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS35492-9996906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
FASTENER LENGTH2.690 INCHES MINIMUM AND 2.750 INCHES MAXIMUM
HEAD DIAMETER0.410 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION
MATERIAL
NONMACHINE THREAD STYLEGIMLET POINT (TYPE A, AB OR BA)
NONMACHINE NOMINAL THREAD DIAMETER0.216 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT


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