NSN 5305-00-137-7525
Part Details | MACHINE SCREW
5305-00-137-7525 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: 55726, 5305-00-137-7525, 00-137-7525, 5305001377525, 001377525
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | AUG 09, 1971 | 00-137-7525 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-137-7525
Part Number | Cage Code | Manufacturer |
---|---|---|
55726 | 05487 | LEXMARK INTERNATIONAL, INC.DBA LEXMARK |
Technical Data | NSN 5305-00-137-7525
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD DIAMETER | 0.138 INCHES |
THREAD QUANTITY PER INCH | 32 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.157 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
FASTENER LENGTH | 0.157 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
SCREW MATERIAL | STEEL |
SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE |
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES |
HEAD STYLE | 0 UNDERCUT HEXAGON |
HEAD DIAMETER | 0.275 INCHES MINIMUM AND 0.290 INCHES MAXIMUM |
HEAD HEIGHT | 0.071 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |