Part Number
Part Number:
NSN:
NIIN:
Item Name:
SCREW , MACHINE
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO 0 (0.060 IN./1.5 MM) OR LARGER, DESIGNED TO BE HELD OR DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH (EXCLUDING INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE TYPES), IN SIZES BELOW NO. 10 (0.190 IN./5 MM). NO. 10 AND LARGER SIZES MUST HAVE A HEAD DESIGNED FOR ANY TYPE INSERTED DRIVER (EXCLUDING INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE TYPES), BUT MAY ALSO BE DESIGNED FOR EXTERNAL WRENCHING. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; AND SCREW, ASSEMBLED WASHER. SEE ALSO, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; AND SCREW, CAP SOCKET HEAD.
CAGE Information
| Code |
Company |
| 77250 |
ALLIED PRODUCTS CORP PHEOLL MFG CO D |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| CYBA |
SCREW SURFACE TREATMENT |
NICKEL |
| AASB |
FASTENER LENGTH |
0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
3 TYPE AND 2C STYLE |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AHYM |
NOMINAL THREAD DIAMETER |
0.164 INCHES |
| ZZZW |
DEPARTURE FROM CITED DOCUMENT |
AS MODIFIED BY SURFACE FINISH |
| CYAU |
SCREW MATERIAL |
COPPER ALLOY 270 OR COPPER ALLOY 240 OR COPPER ALLOY 342 OR COPPER ALLOY 353 OR COPPER ALLOY 745 OR COPPER ALLOY 510 OR COPPER ALLOY 230 OR COPPER ALLOY 764 OR COPPER ALLOY 360 OR COPPER ALLOY 752 OR COPPER ALLOY 377 OR COPPER ALLOY 260 OR COPPER ALLOY 268 OR COPPER ALLOY 770 |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| AASA |
THREAD LENGTH |
0.557 INCHES MINIMUM AND 0.650 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| AASL |
HEAD DIAMETER |
0.292 INCHES MINIMUM AND 0.332 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
55000 POUNDS PER SQUARE INCH |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| CRSQ |
COUNTERSINK ANGLE |
82.0 DEGREES NOMINAL |
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