NSN 5305-00-167-3642
Part Details | MACHINE SCREW
5305-00-167-3642 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: AN2541626, AN25-416-26, 5305-00-167-3642, 00-167-3642, 5305001673642, 001673642
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | JAN 01, 1963 | 00-167-3642 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-167-3642
Part Number | Cage Code | Manufacturer |
---|---|---|
AN25-416-26 | 81352 | AIR FORCE-NAVY AERONAUTICALSPECIFICATIONS |
Technical Data | NSN 5305-00-167-3642
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
THREAD QUANTITY PER INCH | 28 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.335 INCHES MINIMUM |
FASTENER LENGTH | 1.344 INCHES MINIMUM AND 1.406 INCHES MAXIMUM |
SCREW MATERIAL | STEEL |
SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-689 FED SPEC SINGLE MATERIAL RESPONSE |
SCREW SURFACE TREATMENT | 0$DZNA000 |
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BAN-P-61$CAN-P-32 1ST TREATMENT RESPONSE |
HEAD STYLE | 9 UNDERCUT HEXAGON |
HEAD DIAMETER | 0.437 INCHES NOMINAL |
HEAD HEIGHT | 0.096 INCHES MINIMUM AND 0.106 INCHES MAXIMUM |
EXTENDED WASHER DIAMETER | 0.500 INCHES NOMINAL |
EXTENDED WASHER THICKNESS | 0.033 INCHES NOMINAL |
INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |