NSN 5305-00-551-8131

Part Details | MACHINE SCREW

5305-00-551-8131 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: AN508105, AN508-10-5, 10125385, 5305-00-551-8131, 00-551-8131, 5305005518131, 005518131

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-551-813106657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-551-8131
Part Number Cage Code Manufacturer
AN508-10-588044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
10125385A486GNIMIKKEISTOKESKUS NCB FINLAND
Technical Data | NSN 5305-00-551-8131
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
FASTENER LENGTH0.312 INCHES NOMINAL
SCREW MATERIAL COPPER ALLOY
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAQQ-B-613$AQQ-W-321 1ST MATERIAL RESPONSE
SCREW SURFACE TREATMENT0$DAGA000
HEAD STYLE8 UNDERCUT HEXAGON
HEAD DIAMETER0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM
HEAD HEIGHT0.124 INCHES MINIMUM AND 0.136 INCHES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1