Part Number
Part Number:
NSN:
NIIN:
Item Name:
BOLT , SHOULDER
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO. 10 (0.190 IN.) (5 MM) OR LARGER. IT HAS A ROUND UNTHREADED NECK OR SHANK ALL OR PART OF WHICH IS OF GREATER DIAMETER THAN THE THREADED PORTION. THE HEAD IS NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. FOR ITEMS WITH A THREAD DIAMETER SMALLER THAN NO. 10 (0.190 IN.) (5 MM) AND THOSE ITEMS WITH AN INSERTED DRIVE HEAD, USE SCREW, SHOULDER. FOR ITEMS WHICH ARE NO. 10 (0.190 IN.) (5 MM) OR LARGER IN SIZE AND ARE BOTH SHOULDERED AND HAVE AN EXTERNALLY RELIEVED BODY, USE BOLT, EXTERNALLY RELIEVED BODY. EXCLUDES THUMBSCREW.
CAGE Information
| Code | Company |
|---|---|
| 78286 | SIKORSKY AIRCRAFT CORPORATION |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CMLP | THREAD QUANTITY PER INCH | 24 |
| SFTT | SURFACE TREATMENT | PHOSPHATE HEAD |
| AATN | SHOULDER DIAMETER | 0.499 INCHES NOMINAL FIRST SHOULDER |
| AASA | THREAD LENGTH | 0.366 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3A |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| AATB | WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.250 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 2.062 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | CADMIUM THREADS |
| FEAT | SPECIAL FEATURES | 0.250 IN. SPHERICAL RADIUS OF SHOULDERAT POINT OF INTERSECTION W/CIRCUMFERENTIAL GROOVE |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AASK | HEAD STYLE | HEXAGON |
| CQFM | HARDNESS RATING | 58.0 ROCKWELL C MINIMUM OVERALL AND 64.0 ROCKWELL C MAXIMUM OVERALL |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES NOMINAL FIRST HOLE |
| AATX | SHOULDER LENGTH | 0.688 INCHES NOMINAL FIRST SHOULDER |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.842 INCHES NOMINAL FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| MATT | MATERIAL | STEEL COMP E9310 OVERALL |