National Stock Number (NSN) Output Data
NSN:
NIIN:
Item Name:
SCREW , CAP , HEXAGON HEAD
Definition:
AN EXTERNALLY THREADED FASTENER DESIGNED FOR INSERTION INTO HOLES IN ASSEMBLED PARTS, FOR MATING WITH A PREFORMED INTERNAL THREAD AND FOR TIGHTENING OR RELEASING BY TORQUING THE HEAD. THE THREADED AND UNTHREADED PORTIONS ARE BOTH OF THE SAME NOMINAL DIAMETER OF 0.190 INCH (5 MM) OR LARGER. HEAD DIMENSIONS AND SIZES OF THREADED AND UNTHREADED PORTIONS SHALL CONFORM TO INTERNATIONALLY RECOGNIZED FASTENER STANDARDS. THE THREAD LENGTH BEING THE CONTROLLED DIMENSION, THE GRIP LENGTH IS NOT SPECIFIED. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; AND SCREW, CAP, SOCKET HEAD.
Reference/Part Number
| Part Number | CAGE | Status | RNCC | RNVC | DAC | RNAAC | MSDS | SADC |
|---|---|---|---|---|---|---|---|---|
| 638A544 PIECE 1 | 01289 | A | C | 1 | 6 | ZZ | AC | |
| 638A544 | 01289 | A | 5 | 2 | 5 | KZ | ||
| 638A544-1 | 01289 | A | 3 | 2 | A | KZ |
CAGE Information
| Code | Company |
|---|---|
| 01289 | GENERAL ELECTRIC COMPANY DBA GE DIV |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | B4A2F,CAGEC 01289 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| AASB | FASTENER LENGTH | 0.750 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASU | HEAD HEIGHT | 0.125 INCHES NOMINAL |
| MATT | MATERIAL | STEEL OVERALL |
| AATB | WIDTH BETWEEN FLATS | 0.375 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AASK | HEAD STYLE | HEXAGON |
| AASA | THREAD LENGTH | 0.438 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 20 |
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