Part Number
Part Number:
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.
CAGE Information
| Code | Company |
|---|---|
| 53711 | NAVAL SEA SYSTEMS COMMAND |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10P STYLE |
| CQBC | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| AGAV | END ITEM IDENTIFICATION | LEVEL 1 / SUBSAFE;SEAWOLF CLASS SSN |
| AATB | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| AAUM | LOCKING FEATURE | PATCH THREADS OR PELLET THREADS OR STRIP THREADS |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CQHQ | MINIMUM YIELD STRENGTH | 40000 POUNDS PER SQUARE INCH |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AASK | HEAD STYLE | HEXAGON |
| AASA | THREAD LENGTH | 0.670 INCHES MINIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 CLA FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATT | MATERIAL | NICKEL ALLOY 400 OVERALL |
| AASB | FASTENER LENGTH | 0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| AASU | HEAD HEIGHT | 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |