NSN 5305-00-276-3158

Part Details | MACHINE SCREW

5305-00-276-3158 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: 8Z1021PC12, 5305-00-276-3158, 00-276-3158, 5305002763158, 002763158

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-276-315806657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-276-3158
Part Number Cage Code Manufacturer
8Z1021PC1210001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 5305-00-276-3158
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.397 INCHES MINIMUM AND 0.403 INCHES MAXIMUM
FASTENER LENGTH0.434 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
SCREW MATERIAL COPPER ALLOY
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAQQ-B-613$AQQ-W-321 1ST MATERIAL RESPONSE
HEAD STYLE8 DISHED HEXAGON
HEAD DIAMETER0.385 INCHES MINIMUM AND 0.391 INCHES MAXIMUM
HEAD HEIGHT0.154 INCHES MINIMUM AND 0.160 INCHES MAXIMUM
INTERNAL DRIVE STYLE0 CROSS RECESS TYPE 1
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT