5306-01-121-1656, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-01-121-1656

Federal Supply Class:
5306

National Item Identification Number:
011211656

Description:
BOLT,INTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see BOLT, FLUID PASSAGE.

Manufacturer Information:

10115763	A486G	NIMIKKEISTOKESKUS NCB FINLAND
74A410640-2001	76301	THE BOEING COMPANY

Techincal Specification:

DISTANCE FROM CENTERLINE TO FLAT	0.435 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
CONCENTRIC HOLE DIAMETER	0.406 INCHES MINIMUM AND 0.413 INCHES MAXIMUM
COUNTERBORE DEPTH	1.558 INCHES NOMINAL
COUNTERBORE DIAMETER	0.438 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
CRITICALITY CODE JUSTIFICATION	AASY
FASTENER LENGTH	1.750 INCHES NOMINAL
HEAD DIAMETER	1.000 INCHES NOMINAL
HEAD HEIGHT	0.093 INCHES NOMINAL
HEAD STYLE	DEE
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-8844,CLASS 3,COND E2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	280000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.625 INCHES
SPECIAL FEATURES	2 KEYWAYS IN THD END 0.125 IN. MIN TO 0.130 IN. MAX W BY 0.245 IN. LG
STYLE DESIGNATOR	COUNTERBORE UNTHREADED
SURFACE TREATMENT	CHROMATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.300 INCHES NOMINAL
THREAD QUANTITY PER INCH	18
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)

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