NSN 5305-00-059-7221

Part Details | MACHINE SCREW

5305-00-059-7221 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.

Alternate Parts: 892920725, 8929207-25, MS3520047, MS35200-47, 5305-00-059-7221, 00-059-7221, 5305000597221, 000597221

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-059-722106657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

SCREW,MACHINE | 5305-00-059-7221, 000597221

CROSS RECESS TYPE 1

SCREW,MACHINE | 5305-00-059-7221, 000597221
Cross Reference | NSN 5305-00-059-7221
Part Number Cage Code Manufacturer
8929207-2549671LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
MS35200-4796906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
Technical Data | NSN 5305-00-059-7221
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.164 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.188 INCHES NOMINAL
FASTENER LENGTH1.250 INCHES NOMINAL
SCREW MATERIAL0$6
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC ALL MATERIAL RESPONSES
SCREW SURFACE TREATMENT PASSIVATE
HEAD STYLE9 DISHED HEXAGON
HEAD DIAMETER0.300 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1