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Part Number

Part Number:
NSN:
NIIN:
Item Name:
SCREW , CAP , SOCKET HEAD

Definition:

AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER. THE HEAD HAS AN INTERNAL SOCKET OR MULTIPLE SPLINE FOR USE WITH AN INSERTED DRIVER. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES ITEMS WITH BEVEL (CONICAL) HEADS. SEE BOLT, INTERNAL WRENCHING. EXCLUDES SCREW, SHOULDER; AND SCREW, MACHINE.

CAGE Information

Code Company
80205 NATIONAL AEROSPACE STANDARDS COMMITT

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASU HEAD HEIGHT 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
FEAT SPECIAL FEATURES FURNISHED WITH ONE O-RING
AASA THREAD LENGTH 0.360 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
AASL HEAD DIAMETER 0.205 INCHES MINIMUM AND 0.238 INCHES MAXIMUM
ABQZ INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR ASTM A493 ASSN STD 3RD MATERIAL RESPONSE OVERALL OR QQ-S-763 FED SPEC 3RD MATERIAL RESPONSE OVERALL OR ASTM A493 ASSN STD 4TH MATERIAL RESPONSE OVERALL OR ASTM A493 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR ASTM A493 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE OVERALL OR ASTM A493 ASSN STD 5TH MATERIAL RESPONSE OVERALL
AAJF THREAD DIRECTION RIGHT-HAND
MATT MATERIAL STEEL COMP 304 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 384 OVERALL OR STEEL COMP 316 OVERALL OR STEEL COMP XM-7 OVERALL
AHYM NOMINAL THREAD DIAMETER 0.112 INCHES
AASK HEAD STYLE WATERTIGHT
THSD THREAD SERIES DESIGNATOR UNC
AAJD THREAD CLASS 2A
AASB FASTENER LENGTH 0.418 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SFTT SURFACE TREATMENT PASSIVATE OVERALL
CMLP THREAD QUANTITY PER INCH 40

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