5305-01-388-1820 SCREW,CAP,HEXAGON HEAD Index 7045-01-388-1822 DISK CARTRIDGE,MAGNETIC

National Stock Number:
5305-01-388-1821

Federal Supply Class:
5305

National Item Identification Number:
013881821

Description:
SCREW,MACHINE

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.


Manufacturer Information:
845-6641063PN253711NAVAL SEA SYSTEMS COMMAND
845-664106653711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
FASTENER LENGTH0.156 INCHES NOMINAL
FEATURES PROVIDEDO RING
HEAD HEIGHT0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM
HEAD DIAMETER0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK UNDERCUT
INTERNAL DRIVE STYLESLOT
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
NOMINAL THREAD DIAMETER0.112 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE
SCREW MATERIALSTEEL COMP 302
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 TY 6 FED SPEC SINGLE TREATMENT RESPONSE
SCREW SURFACE TREATMENTPASSIVATE
SPECIAL FEATURESHEAD HAS THREE SLOTTED DRIVES EQUALLY SPACED 60.0 DEG. APART. O-RING MATL: KALREZ O-RING,COMPOUND 4079
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.086 INCHES NOMINAL
THREAD QUANTITY PER INCH40
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


Click here to Register for Free 30-day Trial