INCH-POUND
MIL-H-904J
13 June 1991
SUPERSEDING
MIL-H-904H
6 September 1977
MILITARY SPECIFICATION
HOISTS, CHAIN, HAND-OPERATED, HOOK AND TROLLEY SUSPENSION
This specification is approved for use by all departments and agencies of the
Department of Defense.
L SCOPE
1.1 Scope. This specification covers hand-operated chain hoists.
1.2 Classification Chain hoists
6.2):
1.2.1 Classes. Hoists shall be of
must be classified as
the following classes:
Class 1 –
Class 2 -
Class 3 -
Cast steel, forged steel, and malleable
specified in 1.21 through 1.23 (see -
or high strength cast iron used for
general material handling.
Light weight materials which have been selected for the primary purpose of
producing a light net weight unit consistent with required strength and
service used for general material handling.
Free of east iron load bearing parts, used for special purpose services (such
as reactor component handling).
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 55Z3, Depart-
ment of the Navy, Washington, DC 20362-5101 by using the self-addressed Standardization Document Improve-
ment Proposal (DD Form 1426) appearing at the end of this document or by letter.
AMSC N/A
FSC 3950
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
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