National Stock Number (NSN) Output Data
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.
Reference/Part Number
| Part Number | CAGE | Status | RNCC | RNVC | DAC | RNAAC | MSDS | SADC |
|---|---|---|---|---|---|---|---|---|
| 44788 | 00198 | A | 3 | 2 | 2 | SB | ||
| 44788 | 77445 | A | 5 | 9 | 2 | SB |
CAGE Information
| Code | Company |
|---|---|
| 00198 | PRATT AND WHITNEY CANADA INC WHITNEY |
| 77445 | UNITED TECHNOLOGIES CORPORATION DBA |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ABHP | OVERALL LENGTH | 1.156 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 1.156 INCHES NOMINAL |
| AETC | METALLIC HARDNESS RATING | NOT RATED |
| BZRR | THREAD SERIES | UNF |
| ABUJ | THREAD SIZE | 1/4-28 |
| ABGC | SLOT WIDTH | 0.047 INCHES NOMINAL |
| ABND | TAPER LENGTH | 0.031 INCHES NOMINAL |
| MATL | MATERIAL | STEEL |
| AYTY | SMALLEST DIAMETER | 0.250 INCHES NOMINAL |
| STYL | STYLE DESIGNATOR | FLAT HEAD, STRAIGHT, THREAD, TAPERED DRIVE END |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAZT | SLOT DEPTH | 0.078 INCHES NOMINAL |
| ZZZV | FSC APPLICATION DATA | ACFT ENG R1830 |
| ABQA | TAPER MINOR DIAMETER | 0.188 INCHES NOMINAL |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| ABET | THREAD LENGTH | 1.016 INCHES |
| AXMB | END LENGTH | 0.141 INCHES NOMINAL |