5305-01-244-3986 SCREW,CAP,SOCKET HEAD Index 5305-01-244-3988 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-244-3987

Federal Supply Class:
5305

National Item Identification Number:
012443987

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:
2806823-396214RAYTHEON COMPANY
KS17-440UNC-2A-856878SPS TECHNOLOGIES, LLC
SM-C-969840-380063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
FASTENER LENGTH0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM
HARDNESS RATING38.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.176 INCHES MINIMUM AND 0.183 INCHES MAXIMUM
HEAD HEIGHT0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 410 OVERALL
PROPRIETARY CHARACTERISTICSPACS
MINIMUM TENSILE STRENGTH170000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.112 INCHES
WIDTH ACROSS FLATS0.093 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.434 INCHES MINIMUM AND 0.516 INCHES MAXIMUM
THREAD QUANTITY PER INCH40
THREAD SERIES DESIGNATORUNC


Click here to Register for Free 30-day Trial

© 2025 NSN-Now. All rights reserved.    Privacy Policy  |  Contact Us