INCH-POUND
MIL-DTL-1222J
08 December 2000
SUPERCEDING
MIL-S-1222H
21 October 1986
(See 6.9 and 6.12)
DETAIL SPECIFICATION
STUDS, BOLTS, SCREWS AND NUTS FOR APPLICATIONS WHERE A HIGH DEGREE OF
RELIABILITY IS REQUIRED; GENERAL SPECIFICATION FOR
This specification is approved for use by all Departments and Agencies of the
Department of Defense.
1 SCOPE
1.1 Scope. This specification covers standard
studs, hex cap screws,
and heavy hex bolts in nominal standard diameters of
¼ inch to 4 inches, nuts
in nominal standard diameters of ¼ inch to 3 inches,
and socket head cap
screws in nominal standard diameters of ¼ inch to 1½
inches for submarine
safety and other applications where a high degree of
reliability is required
(see 6.1).
1.2 Classification. The configurations, types, styles, material grades
and conditions of fasteners are as listed below. Non-standard fasteners may be
ordered using a drawing with the dimensional and material requirements of the
fastener and tested to the requirements of this specification (see 6.2).
1.2.1 Configurations, types and styles
Studs
Type
I
-
Full body
Type
II
-
Reduced body
Type
III
-
Constant strength body
Type
IV
-
Continuous thread (bolt-stud)
Type III studs styles
Stud end
thread
Nut end thread
Style
a
Class
5
Class 3A
b
Class
5
Class 2A
c
Class
3A
Class 3A
d
Class
3A
Class 2A
Beneficial comments (recommendations, additions, deletions) and any
pertinent data which may be of use in improving this document should be
addressed to: Commander, Naval Sea Systems Command, SEA 05Q, 2531
Jefferson Davis Hwy, Arlington, VA 22242-5160, by using the
Standardization Document Improvement Proposal (DD Form 1426) appearing at
the end of this document or by letter.
AMSC N/A
FSC 53GP
DISTRIBUTION STATEMENT A:
Approved for public release; distribution unlimited.
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business