Product Details | HEXAGON HEAD CAP SCREW

5305-00-253-2607 An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes BOLT,MACHINE; BOLT,EXTERNALLY RELIEVED BODY; BOLT,INTERNAL WRENCHING; and SCREW,CAP,SOCKET HEAD.

Part Alternates: A10218E, A102-18E, 5305-00-253-2607, 00-253-2607, 5305002532607, 002532607

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 00-253-2607

Drawings & Photos | NSN 5305-00-253-2607


Cross Reference | NSN 5305-00-253-2607

Part Number Cage Code Manufacturer
18E K7766 BRITISH STANDARDS INSTITUTION
5306-524-3537 K6984 DEFENCE LOGISTICS AGENCY
A102 K7766 BRITISH STANDARDS INSTITUTION
A102-18E K5974 ROLLS-ROYCE PLC NAVAL MARINE
A102-18E K7766 BRITISH STANDARDS INSTITUTION

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Technical Data | NSN 5305-00-253-2607

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.499 INCHES MINIMUM AND 0.640 INCHES MAXIMUM
FASTENER LENGTH 2.400 INCHES MINIMUM AND 2.440 INCHES MAXIMUM
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM OVERALL
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.431 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
MANUFACTURERS CODE K7766
DESIGN CONTROL REFERENCE A102-18E

Restrictions/Controls & Freight Information | NSN 5305-00-253-2607

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
Category Code Description
No Freight Information