Part Number
Part Number:
NSN:
NIIN:
Item Name:
BOLT , INTERNAL WRENCHING
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO. 10 (0.190 IN.) (5 MM) OR LARGER. IT IS DESIGNED WITH AN INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE FOR USE WITH AN INTERNAL DRIVER. THE HEAD IS BEVELED (CONICAL) OR CYLINDRICAL IN SHAPE. ITEMS WITH CYLINDRICAL SHAPED HEADS MUST HAVE AN EXTERNALLY RELIEVED BODY. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. SEE ALSO SCREW, CAP, SOCKET HEAD. EXCLUDES SETSCREW; SCREW, SHOULDER; BOLT, SHOULDER; SCREW, EXTERNALLY RELIEVED BODY; BOLT, EXTERNALLY RELIEVED BODY; AND SCREW, MACHINE.
CAGE Information
| Code | Company |
|---|---|
| 01289 | GENERAL ELECTRIC COMPANY DBA GE DIV |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASU | HEAD HEIGHT | 1.236 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 1.852 INCHES MINIMUM AND 1.875 INCHES MAXIMUM |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.640 INCHES NOMINAL |
| CRTL | CRITICALITY CODE JUSTIFICATION | AHYM |
| CMLP | THREAD QUANTITY PER INCH | 8 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A193 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| AASA | THREAD LENGTH | 1.620 INCHES NOMINAL |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY TAPERED THREADS |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT CHAMFER |
| SFTT | SURFACE TREATMENT | COPPER OVERALL |
| MATT | MATERIAL | STEEL COMP 304 OVERALL OR STEEL COMP 316 OVERALL OR STEEL COMP 321 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AAWC | FIRST DIAMETER FROM HEAD | 1.069 INCHES MINIMUM AND 1.074 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| ASDB | WIDTH ACROSS FLATS | 0.875 INCHES MINIMUM AND 0.880 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | THREAD DIAMETER BEGINS AT 1.000 INCH WITH TAPER ANGLE OF THREAD TO HEAD 0.004 TO 0.006 INCHES,OPTIONAL HEAD MAY BE KNURLED |
| AHYM | NOMINAL THREAD DIAMETER | 1.000 INCHES |
| AASB | FASTENER LENGTH | 3.260 INCHES NOMINAL |