Navsupinst 4423.29, Navy Uniform Source, Maintenance And Recoverability (Smr) Codes; Appendix A

Front 1

Source codes are assigned to support items to indicate the manner of acquiring items for maintenance, repair, rework or overhaul of end items.

Back 1

Source codes are entered in the 1st and 2nd position of the uniform SMR code format.

Front 2

P series source coded items are items which are

Back 2

centrally procured

Front 3

Code
PA

Back 3

Explanation

item is procured and stocked for anticipated or known usage

Front 4

PB

Back 4

item procured n stocked for insurance purposes b/c essentiality dictated that a minimum quantity be available in the supply systems

Front 5

PC

Back 5

item procured n stocked would be PA except that it is deteriorative in nature

Front 6

PD

Back 6

support item, excluding support equipment, procured for initial issue or outfitting and stocked only for subsequent or additional initial issues or outfitting ; not subject to automatic replenishment

Front 7

PE

Back 7

end item n or support equipment procured n stocked for initial issue or outfitting for specific maintenance repair activities

Front 8

PF

Back 8

support equipment which will not be stocked but will be centrally procured on demand

Front 9

PG

Back 9

item is procured and stocked to provide for sustained support for the life of the equipment. applied to item b/c of probable discontinuance or shutdown of production facility n uneconomical to reproduce

Front 10

PH

Back 10

item procured n stocked would be PA except contains Hazardous material item requires a Material safety data sheet

Front 11

PR

Back 11

support items terminal or obsolete and replaced. No longer authorized for procurement on hand assets may be issued until exhausted. code should not be used for initial provisioning

Front 12

PZ

Back 12

item is terminal or obsolete with no replacement discontinue use

Front 13

K series Codes

Back 13

items contained in kits and do not / will not have NSN assigned

Front 14

KD

Back 14

item contained in a DEPOT overhaul/repair kit not purchased separately.

Front 15

KF

Back 15

item contained in a maintenance kit not purchased separately. Maintenance kit provides an item that can be replaced at an O or I level of maintenance.

Front 16

KB

Back 16

item included in both a depot overhaul/repair kit and a maintenance kit

Front 17

M series codes

Back 17

items are to b manufactured or fabricated at some level of maintenance. normally consumable items items or those requiring very limited repair.. M codes normally assigned to hose assemblies, tubing, name plates, decals..

Front 18

MO

Back 18

item to b manufactured or fabricated at O maintenance level

Front 19

MF

Back 19

item t b manufactured or fabricated at afloat intermediate maintenance levels

Front 20

MH

Back 20

item to b manufactured or fabricated at ashore intermediate maintenance level

Front 21

ML

Back 21

item is to b manufactured or fabricated at specialized repair facility e.g. environmental considerations

Front 22

MG

Back 22

item to be manufactured or fabricated at both afloat and ashore intermediate maintenance levels

Front 23

MD

Back 23

Item to be manufactured or fabricated at depot levels

Front 24

A series codes

Back 24

items authorized for assembly at some level of maintenance. A coded items require at least on P coded item in the assembly

Front 25

AO

Back 25

item to be assembled at O level

Front 26

AL

Back 26

Item is to be assembled at a specialized repair activity (item requires specialized test fixtures to ensure proper assembly)

Front 27

AF

Back 27

Item to be assembled at Afloat intermediate maintenance level

Front 28

AH

Back 28

item to be assembled at ashore intermediate level

Front 29

AG

Back 29

item to be assembled at both afloat and ashore intermediate maintence levels

Front 30

AD

Back 30

item to be assembled at depot level

Front 31

X series source codes

Back 31

items for which no demand is anticipated

Front 32

XA

Back 32

item not procured or stocked because a requirement for the item will result in the replacement of the next higher assembly

Front 33

XB

Back 33

support item with low mortality rate, not stocked if not available through salvage, requisition using commercial and Government Entity (CAGE) code and part number

Front 34

XC

Back 34

Installation drawing, diagram, instruction sheet field service drawing, that is identified by manufactures part number

Front 35

XD

Back 35

support item with low mortality rate, not stocked local purchase or requisition through normal channel using CAGE code and part number, not obtainable from salvage/cannibalization

Front 36

study

Back 36

codes