NSN 5305-00-051-0871

Part Details | MACHINE SCREW

5305-00-051-0871 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: 7S374A7, 7S37-4A7, 5305-00-051-0871, 00-051-0871, 5305000510871, 000510871

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196100-051-087106657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

TORQUE SET

Cross Reference | NSN 5305-00-051-0871
Part Number Cage Code Manufacturer
7S37-4A743999BOEING COMPANY, THEDBA BOEING
Technical Data | NSN 5305-00-051-0871
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.316 INCHES MINIMUM
FASTENER LENGTH0.738 INCHES MINIMUM AND 0.768 INCHES MAXIMUM
SCREW MATERIAL STEEL COMP 4130
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 COND D MIL SPEC SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENT CADMIUM AND CHROMATE
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE9 DISHED HEXAGON
HEAD DIAMETER0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE TORQUE SET