5998-01-193-3353 PRINTED WIRING BOARD Index 5305-01-193-3356 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-193-3355

Federal Supply Class:
5305

National Item Identification Number:
011933355

Description:
SCREW,CAP,SOCKET HEAD

Detail:
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.


Manufacturer Information:
1/4-20UNC-3A X 1/2 TYII SLFLKG81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
1/4-20UNC-3A X 1/2 TYII SLFLKGL103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
993C066186L103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
DW2114L103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
DW211417910NYLOK LLC
993C06618634228L3 TECHNOLOGIES, INC.
FF-S-86 TY VI 1/4-20UNC-3AX1/2L103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
MIL-DTL-1222 QQ-N-286 GR500L103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
QQ-N-286 FORM 2L103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
QQ-N-286 FORM 281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-DTL-1222 QQ-N-286 GR50081349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.500 INCHES NOMINAL
MATERIALNICKEL ALLOY K-500 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MINIMUM TENSILE STRENGTH130000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH90000 POUNDS PER SQUARE INCH
INTERNAL DRIVE STYLEHEXAGON
DEPARTURE FROM CITED DESIGNATORMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
CRITICALITY CODE JUSTIFICATIONZZZX
SPEC/STD CONTROLLING DATA
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMIL-DTL-1222 QQ-N-286 GR500
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE1/4-20UNC-3A X 1/2 TYII SLFLKG


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