NSN 5305-01-271-8661

Part Details | SOCKET HEAD CAP SCREW

5305-01-271-8661 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.

Alternate Parts: 3370C06 H01, 5305-01-271-8661, 01-271-8661, 5305012718661, 012718661

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 02, 198801-271-866116282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-271-8661
Part Number Cage Code Manufacturer
3370C06 H0104804NORTHROP GRUMMAN SYSTEMS CORPORATIONDBA ES POWER CONTROL SYSTEMS
Technical Data | NSN 5305-01-271-8661
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
FASTENER LENGTH1.985 INCHES MINIMUM AND 2.015 INCHES MAXIMUM
HEAD STYLE9 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM
HEAD HEIGHT0.675 INCHES MINIMUM AND 0.705 INCHES MAXIMUM
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
SPECIAL FEATURESSTRAIGHT KNURL,OVERALL LENGTH IS 2.690
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATIONZZZY