Product Details | EXTERNALLY RELIEVED BODY BOLT

5306-01-187-0649 An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.

Part Alternates: 30168981, 3016898-1, 5306-01-187-0649, 01-187-0649, 5306011870649, 011870649

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 17 AUG 1984 01-187-0649

Drawings & Photos | NSN 5306-01-187-0649


Cross Reference | NSN 5306-01-187-0649

Part Number Cage Code Manufacturer
3016898-1 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT

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Technical Data | NSN 5306-01-187-0649

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.562 INCHES NOMINAL
FASTENER LENGTH 2.031 INCHES NOMINAL
MATERIAL NICKEL ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281,CL B,FORM 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.250 INCHES NOMINAL
WIDTH BETWEEN FLATS 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 2
FIRST DIAMETER FROM HEAD 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.188 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER 0.366 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
SPECIAL FEATURES NYLON PLUG INSERTED 0.188 IN. FROM END,0.094-0.099 IN. DIA BY 0.125 IN. LG

Restrictions/Controls & Freight Information | NSN 5306-01-187-0649

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