5305-99-801-1910, SCREW,EXTERNALLY RELIEVED BODY

4730-99-801-1908 NIPPLE,PIPE

5310-99-801-1913 NUT,PLAIN,ROUND

National Stock Number:
5305-99-801-1910

Federal Supply Class:
5305

National Item Identification Number:
998011910

Description:
SCREW,EXTERNALLY RELIEVED BODY

Detail:
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 undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.

Manufacturer Information:

229-034231	K0656	BAE SYSTEMS (OPERATIONS) LIMITED
MS51896	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

MATERIAL	STEEL
NOMINAL THREAD DIAMETER	0.112 INCHES
STRENGTH GRADE DESIGNATION	ERR-030
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 TYPE1 MIL STD 1ST TREATMENT RESPONSE OR MIL-C-CLASS 4 MIL STD 2ND TREATMENT RESPONSE
SURFACE TREATMENT	PASSIVATE OVERALL AND OXIDE OVERALL
THREAD LENGTH	0.121 INCHES NOMINAL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD QUANTITY PER INCH	40
THREAD SERIES DESIGNATOR	UNC
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.179 INCHES MINIMUM AND 0.199 INCHES MAXIMUM
COLOR	BLACK
FASTENER LENGTH	0.310 INCHES NOMINAL AND 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM
HEAD DIAMETER	0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
HEAD HEIGHT	0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
HEAD STYLE	PAN
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 MIL STD SINGLE MATERIAL RESPONSE OR 16:18 CHROME NICKEL ALLOY MIL STD SINGLE MATERIAL RESPONSE OR 18:8 CHROME NICKEL ALLOY MIL STD SINGLE MATERIAL RESPONSE

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