Product Details | SHOULDER SCREW

5305-01-063-5056 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 IN.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below No. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.

Part Alternates: BACB30PF33, BACB30PF3-3, 5305-01-063-5056, 01-063-5056, 5305010635056, 010635056

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 08 AUG 1978 01-063-5056

Drawings & Photos | NSN 5305-01-063-5056


Cross Reference | NSN 5305-01-063-5056

Part Number Cage Code Manufacturer
BACB30PF3-3 81205 THE BOEING COMPANY DBA BOEING

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Technical Data | NSN 5305-01-063-5056

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJC
NOMINAL THREAD DIAMETER 0.138 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.221 INCHES MINIMUM AND 0.302 INCHES MAXIMUM
FASTENER LENGTH 0.491 INCHES MINIMUM AND 0.521 INCHES MAXIMUM
MATERIAL STEEL COMP E4340 OR STEEL COMP 8740 OVERALL
SURFACE TREATMENT CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
INTERNAL DRIVE STYLE D1 CROSS RECESS TYPE 1
SHOULDER SHAPE ROUND FIRST SHOULDER
SHOULDER DIAMETER 0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH 0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM FIRST SHOULDER

Restrictions/Controls & Freight Information | NSN 5305-01-063-5056

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information