the fragility of electronic piece parts, plus intangible
Items authorized for use as
material and quality factors intrinsic to the manufacture
required but not for initial stockage are identified with an
of electronic parts, do not permit mortality to be based
asterisk in the allowance column.
on hours of end item use. However, long periods of
(2) The quantitative allowances for
continuous use under adverse conditions are likely to
DS/GS levels of maintenance will represent initial
increase repair parts mortality.
stockage for a 30-day period for the number of
(3) Determination of the total quantity of
Location of Repair Parts
parts required for maintenance of more than 100 of
a. This appendix contains one cross-reference
these equipments can be accomplished by converting
index (sec. IV) to be used to locate a repair part when
the equipment quantity to a decimal factor by placing a
either the Federal stock number, reference number
decimal point before the next to last digit of the number
(manufacturer's part number), or item number is known.
to indicate hundredths, and multiplying the decimal
The first column in the index is prepared in numerical
factor by the parts quantity authorized in the 51-100
sequence followed by reference numbers in alpha-
allowance column. Example, authorized allowance for
The reference numbers
51-100 equipments is 40; for 150 equipments multiply
(manufacturer's part numbers) are listed immediately
40 by 1.50 or 60 parts required.
following the last listed Federal stock number in the
index of Federal stock numbers.
Equipments/Contingency Planning Purposes, Column 8.
b. When the Federal stock number is known,
This column indicates opposite the first appearance of
follow the procedures given in (1), (2), and (3) below.
each item the total quantity required for distribution and
(1) Refer to the index of Federal stock
contingency planning purposes. The range of items
numbers (sec. IV) and locate the Federal stock number.
indicates total quantities of all authorized items required
The Federal stock number is cross-referenced to the
to provide for adequate support of 100 equipments for 1
applicable figure and item number.
(2) Refer to the RPSTL (sec. II) and
h. Depot Maintenance Allowance Per 100
locate the figure number (coll 10a) and item number
Equipments, Column 9. This column indicates opposite
(col. 10b) as noted in the Federal stock number index.
the first appearance of each item, the total quantity
(3) If the Federal stock number or
authorized for depot maintenance of 100 equipments.
manufacturer's part number is not listed in the index,
Subsequent appearances of the same item will have the
refer to columns 2 and 3 of the RPSTL (sec. II) and
letters "REF" in the allowance column. Items authorized
locate the Federal stock number or part number by
for use as required but not for initial stockage are
scrutiny of the numbers listed in columns 2 and 3.
identified with an asterisk in the allowance column.
c. When the item number is known, locate the
Illustration, Column 10. This column is
item by scrutiny of column 10b of the repair parts list.
divided as follows:
Federal Supply Code for Manufacturer
Indicates the figure number of the illustration in which
the item is shown.
71483............. Clark David Co Inc
Designation, Column lob. Indicates the callout number
80058............. Joint Electronic Type Designation
or reference designation used to identify the item in the
81349............. Military Specifications
88044............. Aeronautical Standards Group, Dept of
Navy and Air Force.
Repair parts mortality is computed from failure rates
96906............. Military Standards
derived from experience factors with the individual parts
97151............. Air Force Logistics Command
in a variety of equipments. Variations in the specific
application and periods of use of electronics equipment,