NSN 5305-00-042-6601
Part Details | MACHINE SCREW
5305-00-042-6601 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal 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. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
Alternate Parts: S440X78, S4-40X7-8, S44078, S4-40-7-8, SS0440AA014, A73674, A73674, 5305-00-042-6601, 00-042-6601, 5305000426601, 000426601
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | JAN 01, 1961 | 00-042-6601 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-042-6601
Part Number | Cage Code | Manufacturer |
---|---|---|
S4-40X7-8 | 97539 | A P M HEXSEAL CORPORATION |
S4-40-7-8 | 97539 | A P M HEXSEAL CORPORATION |
SS0440AA014 | 97539 | A P M HEXSEAL CORPORATION |
A73674 | 66544 | CONTINENTAL MICROWAVE AND TOOL CO.,INC. |
A73674 | 80006 | LITTON SYSTEMS INCAIRTRON DIV |
Technical Data | NSN 5305-00-042-6601
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD DIAMETER | 0.112 INCHES |
THREAD QUANTITY PER INCH | 40 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.875 INCHES MAXIMUM |
FASTENER LENGTH | 0.875 INCHES NOMINAL |
SCREW MATERIAL | STEEL CORROSION RESISTING |
SCREW SURFACE TREATMENT | PASSIVATE |
HEAD STYLE | 6 UNDERCUT HEXAGON |
HEAD DIAMETER | 0.220 INCHES NOMINAL |
HEAD HEIGHT | 0.069 INCHES NOMINAL |
INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |