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 |
|---|---|
| 97499 | BELL HELICOPTER TEXTRON INC. |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BPS FNB 4084,FSCM 97499 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | OXIDE OVERALL |
| AASA | THREAD LENGTH | 0.636 INCHES MINIMUM AND 0.676 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.646 INCHES MINIMUM AND 1.666 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| AAJD | THREAD CLASS | 3A |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OVERALL OR MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MATT | MATERIAL | STEEL COMP 6150 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 8740 OVERALL |
| CSYM | SURFACE FINISH | 125.0 MICROINCHES OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAUB | HOLE DIAMETER | 0.055 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.562 INCHES |
| ASXK | HOLE QUANTITY | 4 |
| AASL | HEAD DIAMETER | 0.928 INCHES MINIMUM AND 0.938 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| BQDM | HOLE TYPE | DRILLED |
| CRHC | HOLE CONFIGURATION STYLE | ROUND |
| ASDB | WIDTH ACROSS FLATS | 0.438 INCHES MINIMUM AND 0.441 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM |