NSN 5305-00-121-8240
Part Details | MACHINE SCREW
5305-00-121-8240 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: 307832, 307832, 307832, 307832, 5305-00-121-8240, 00-121-8240, 5305001218240, 001218240
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | OCT 25, 1968 | 00-121-8240 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-121-8240
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 307832 | 1UVT5 | BRP US INC.DBA BOMBARDIER MOTOR CORP OF AMERICA |
| 307832 | 21119 | EVINRUDE MOTORSPRODUCT GROUP OF OUTBOARD MARINE |
| 307832 | 32195 | OUTBOARD MARINE CORPJOHNSON MOTORS DIV |
| 307832 | U1621 | SIMPSON-LAWRENCE LTD JOHNSON AND EVIRUDE OUTBOARD MOTORS |
Technical Data | NSN 5305-00-121-8240
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.306 INCHES MINIMUM |
| FASTENER LENGTH | 0.375 INCHES MINIMUM AND 0.406 INCHES MAXIMUM |
| SCREW MATERIAL | STEEL |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |