NSN 5305-00-055-2985
Part Details | EXTERNALLY RELIEVED BODY SCREW
5305-00-055-2985 An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.
Alternate Parts: H538307, H538-30-7, 85065331, 8506533-1, 55493, 55-493, 85065331, 8506533-1, 5305-00-055-2985, 00-055-2985, 5305000552985, 000552985
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | MAY 25, 1967 | 00-055-2985 | 01852 ( SCREW, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK UNDERCUT

FLAT

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-055-2985
Part Number | Cage Code | Manufacturer |
---|---|---|
H538-30-7 | 83014 | HARTWELL CORPORATION |
8506533-1 | 11447 | L3 TECHNOLOGIES, INC.DBA COMMUNICATION SYSTEMS - EAST |
55-493 | 95922 | LAKEWOOD ENGINEERING & MFG CO INC |
8506533-1 | 49671 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
Technical Data | NSN 5305-00-055-2985
Characteristic | Specifications |
---|---|
THREAD DIRECTION | RIGHT-HAND |
FASTENER LENGTH | 1.000 INCHES NOMINAL |
HEAD STYLE | 6 HEXAGON COUNTERSUNK UNDERCUT |
HEAD DIAMETER | 0.500 INCHES NOMINAL |
INTERNAL DRIVE STYLE | 4 CROSS RECESS TYPE 1 |
POINT STYLE | 9 FLAT |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
FEATURES PROVIDED | LOCK WASHER |