National Stock Number (NSN) Output Data
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.
Reference/Part Number
| Part Number |
CAGE |
Status |
RNCC |
RNVC |
DAC |
RNAAC |
MSDS |
SADC |
| 667227 |
77445 |
A |
3 |
2 |
1 |
KE |
|
|
CAGE Information
| Code |
Company |
| 77445 |
UNITED TECHNOLOGIES CORPORATION DBA |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AATX |
SHOULDER LENGTH |
0.490 INCHES MINIMUM FIRST SHOULDER AND 0.530 INCHES MAXIMUM FIRST SHOULDER |
| AATX |
SHOULDER LENGTH |
0.490 INCHES MINIMUM FIRST SHOULDER AND 0.530 INCHES MAXIMUM FIRST SHOULDER |
| AATN |
SHOULDER DIAMETER |
0.3220 INCHES MINIMUM FIRST SHOULDER AND 0.3225 INCHES MAXIMUM FIRST SHOULDER |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.065 INCHES MINIMUM FIRST HOLE AND 0.072 INCHES MAXIMUM FIRST HOLE |
| AASA |
THREAD LENGTH |
0.606 INCHES MINIMUM AND 0.686 INCHES MAXIMUM |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| MATT |
MATERIAL |
STEEL CORROSION RESISTING OVERALL |
| AAJD |
THREAD CLASS |
3A |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
1.555 INCHES MINIMUM FIRST HOLE AND 1.565 INCHES MAXIMUM FIRST HOLE |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| AASL |
HEAD DIAMETER |
0.384 INCHES MINIMUM AND 0.414 INCHES MAXIMUM |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 5625 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| TEST |
TEST DATA DOCUMENT |
81343-AMS 2645 STANDARD |
| AASU |
HEAD HEIGHT |
0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| CRTL |
CRITICALITY CODE JUSTIFICATION |
AATN |
| AASB |
FASTENER LENGTH |
1.678 INCHES MINIMUM AND 1.698 INCHES MAXIMUM |
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