Part Number
Part Number:
NSN:
NIIN:
Item Name:
SCREW , SHOULDER
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO 0 (0.060 IN.) (1.5 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 DESIGNED TO BE DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH IN SIZES BELOW NO. 10 (0.190 IN.) (5 MM) NOMINAL DIAMETER. NO. 10 (0.190 IN.) (5 MM) AND LARGER SIZES MUST BE DESIGNED FOR ANY TYPE OF INSERTED DRIVER, BUT MAY ALSO PROVIDE FOR EXTERNAL WRENCHING OF THE HEAD. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. FOR ITEMS WHICH ARE BOTH SHOULDERED AND HAVE AN EXTERNALLY RELIEVED BODY, USE SCREW, EXTERNALLY RELIEVED BODY. FOR ITEMS WITH A NO. 10 (0.190 IN.) (5 MM) OR LARGER THREAD DIAMETER WITHOUT AN INSERTED DRIVER HEAD, USE BOLT, SHOULDER. EXCLUDES BOLT, INTERNAL WRENCHING AND SCREW, CAP, SOCKET HEAD.
CAGE Information
| Code |
Company |
| 08484 |
BREEZE-EASTERN CORPORATION |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
| MATT |
MATERIAL |
STEEL COMP 4130 OVERALL |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| AAJD |
THREAD CLASS |
3A |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AATN |
SHOULDER DIAMETER |
0.370 INCHES MINIMUM FIRST SHOULDER AND 0.372 INCHES MAXIMUM FIRST SHOULDER |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| AASA |
THREAD LENGTH |
0.648 INCHES NOMINAL |
| AASU |
HEAD HEIGHT |
0.125 INCHES NOMINAL |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AATX |
SHOULDER LENGTH |
0.310 INCHES MINIMUM FIRST SHOULDER AND 0.330 INCHES MAXIMUM FIRST SHOULDER |
| CQFM |
HARDNESS RATING |
25.0 ROCKWELL C MINIMUM OVERALL AND 29.0 ROCKWELL C MAXIMUM OVERALL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TYPE II,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AASL |
HEAD DIAMETER |
0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
| AASB |
FASTENER LENGTH |
2.906 INCHES NOMINAL |
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