2540-37-521-8122

https//www.nsnlookup.com /nato/nato-stock-numbers/inc Heater Duct Shield (INC 39911) Sep 1979 2540-37-521-8122

2540-37-520-8380 2540375208380 375208380 SHIELD,HEATER DUCT

5340-37-521-5903 5340375215903 375215903 is a ridge item, usually of flat material, formed into a dihedral angle (generally a right angle) which may be reinforced; it is designed to position, align, or support an item(s) in relation to another. excludes brace (as modified); bracket (1), mounting; and bracket, shelf.

5340-37-522-2641 5340375222641 375222641 is a bracket of various shapes (other than angle), designed to be attached to a supporting surface for the specific purpose of positioning, aligning and/or supporting another item. excludes brace (as modified); bracket, angle; and bracket, double angle. see also bracket (1), electrical connector; bracket, fire extinguisher; bracket, solenoid; bracket, track, sliding door; and retainer (as modified).

5365-37-522-2632 5365375222632 375222632 is two or more sizes and/or types of shims grouped together in a single package and intended for individual repeated replacement and/or general use. see also shim set.