Part Number
Part Number:
NSN:
NIIN:
Item Name:
SCREW , ADJUSTING , VALVE TAPPET
Definition:
AN EXTERNALLY THREADED SCREW-LIKE DEVICE WITH A HEXAGON, SQUARE, SLOTTED OR ANY OTHER TYPE DRIVE END. THE OTHER END MAY HAVE A SPHERICAL BALL, SOCKET OR OTHER TYPE OF MACHINED SURFACE. IT MAY HAVE A CONCENTRIC HOLE ALONG THE LONGITUDINAL CENTERLINE AND A HOLE PERPENDICULAR TO THE AXIS JOINING THE CONCENTRIC HOLE FOR LUBRICATION. IT IS SPECIFICALLY DESIGNED TO BE USED AS A MEANS FOR ADJUSTING ENGINE POPPET VALVE TAPPET CLEARANCES AND MAY BE FURNISHED WITH A LOCK NUT.
CAGE Information
| Code | Company |
|---|---|
| 71772 | STANADYNE/CHICAGO DIV |
Federal Supply Class
Title
DIESEL ENGINES AND COMPONENTS
Inclusions:
INCLUDES AUTOMOTIVE, INDUSTRIAL, MARINE, LOCOMOTIVE, AND ALL OTHER TYPES OF DIESEL AND SEMI-DIESEL ENGINES.
Exclusions:
EXCLUDES ENGINES ACCESSORIES (FSC 2990).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| MATL | MATERIAL | STEEL |
| FEAT | SPECIAL FEATURES | 1.125 IN. LG O/A;HEX HEAD 0.500 IN. WD ACROSS FLATS,0.219 IN. THK,HEAD CONCAVED 0.438 IN. WD BY 0.125 IN. DEEP;THD DATA 0.375-24 UNF,0.500 IN. THD LG,EXTERNAL RELIEVED BODY 0.188 IN. DIA BY 0.156 IN. LG;THD DATA 0.375-24 UNF BY 0.250 IN. LG;THD END INTERNALLY RELIEVED BODY 0.188 IN. ID BY 0.188 IN. DEEP,0.125 IN. ID BY 0.500 IN. DEEP,0.078 IN. ID BY 0.250 IN. DEEP |
| SURF | SURFACE TREATMENT | CADMIUM PLATED |