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
CAGE Information
| Code |
Company |
| 07886 |
DAR ELECTRONICS INC COMMERCIAL PRODU |
| 57227 |
PICS SCREW MACHINE INC. |
| 90536 |
LOCKHEED MARTIN CORPORATION DBA LOCK |
| 37695 |
RAYTHEON COMPANY DBA RAYTHEON |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AATN |
SHOULDER DIAMETER |
0.197 INCHES MINIMUM SECOND SHOULDER AND 0.201 INCHES MAXIMUM SECOND SHOULDER |
| AATX |
SHOULDER LENGTH |
0.011 INCHES NOMINAL SECOND SHOULDER |
| MATT |
MATERIAL |
STEEL COMP 303 OVERALL |
| AATN |
SHOULDER DIAMETER |
0.168 INCHES MINIMUM FIRST SHOULDER AND 0.172 INCHES MAXIMUM FIRST SHOULDER |
| AATX |
SHOULDER LENGTH |
0.028 INCHES NOMINAL FIRST SHOULDER |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| ABQZ |
INTERNAL DRIVE STYLE |
W/O INTERNAL DRIVE |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AHYM |
NOMINAL THREAD DIAMETER |
0.112 INCHES |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AASU |
HEAD HEIGHT |
0.019 INCHES NOMINAL |
| AASB |
FASTENER LENGTH |
0.227 INCHES NOMINAL |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| AASK |
HEAD STYLE |
HEXAGON |
| AATB |
WIDTH BETWEEN FLATS |
0.250 INCHES NOMINAL |
| AASA |
THREAD LENGTH |
0.188 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
40 |
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