Beneficial comments (recommendations, additions, deletions) and any pertinent data which may
be of use in improving this document should be addressed to: Defense Supply Center Richmond,
ATTN: DSCR-VBD, Richmond, VA 23297-5610, by using the Standardization Document
Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter.
AMSC N/A FSC 6680
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
INCH-POUND
MIL-PRF-10215J
16 January 2001
SUPERSEDING
(See 6.8)
PERFORMANCE SPECIFICATION
SPEEDOMETERS; TACHOMETERS; FLEXIBLE SHAFT ASSEMBLIES;
FLEXIBLE SHAFT ASSEMBLY CORES, ADAPTERS AND TRANSMITTERS
This specification is approved for use by all Departments and Agencies of the Department
of Defense.
1. SCOPE
1.1 Scope
. This specification covers mechanical and electrical speedometers and
tachometers, flexible shaft assemblies, flexible shaft assembly cores, adapters and transmitters.
1.2 Classification
. The speedometers, tachometers, shaft assemblies, cores, adapters and
transmitters are of the following types, groups and classes as specified below (see 6.2(b)).
Type I - Mechanical
Group A - Speedometer, fixed mounting.
Group B - Tachometer, fixed mounting.
Class 1 - Shaft assembly, flexible, metallic.
Class 4 - Core, flexible shaft assembly.
Class 5 - Adapter, speedometer, and tachometer, 90º drive.
Class 7 - Adapter, speedometer, and tachometer, straight drive.
Class 8 - Adapter, coupling/bulkhead, speedometer and tachometer drive.
Class 9 - Shaft assembly, flexible, plastic.
Type II - Electrical
Group C - Speedometer, fixed mounting.
Group D - Tachometer, fixed mounting.
Class 2 - Transmitter, electrical, transmission or engine mounted.
Class 3 - Transmitter, electrical, distributor mounted.
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