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 |
238B241H01 |
79500 |
A |
5 |
2 |
X |
XX |
|
|
238B241H01 |
97942 |
A |
3 |
2 |
X |
XX |
|
|
CAGE Information
Code |
Company |
79500 |
WESTINGHOUSE ELECTRIC CORP |
97942 |
NORTHROP GRUMMAN SYSTEMS CORPORATION |
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
AASU |
HEAD HEIGHT |
0.220 INCHES NOMINAL |
AASB |
FASTENER LENGTH |
1.065 INCHES NOMINAL |
AASA |
THREAD LENGTH |
0.440 INCHES MINIMUM |
MATT |
MATERIAL |
STEEL COMP 303 OVERALL |
AAJD |
THREAD CLASS |
3A |
CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
AATN |
SHOULDER DIAMETER |
0.310 INCHES NOMINAL FIRST SHOULDER |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
AASK |
HEAD STYLE |
FLAT CHAMFER |
THSD |
THREAD SERIES DESIGNATOR |
UNC |
ASDB |
WIDTH ACROSS FLATS |
0.160 INCHES NOMINAL |
ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
CMLP |
THREAD QUANTITY PER INCH |
20 |
SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
AASL |
HEAD DIAMETER |
0.440 INCHES NOMINAL |
AATX |
SHOULDER LENGTH |
0.625 INCHES NOMINAL FIRST SHOULDER |
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