Part Details | MACHINE SCREW
5305-01-251-0905 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: 8019441001, 8019441-001, 8019441001, 8019441-001, 8019441001, 8019441-001, 5305-01-251-0905, 01-251-0905, 5305012510905, 012510905
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAR 12, 1987 | 01-251-0905 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
Cross Reference | NSN 5305-01-251-0905
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8019441-001 | 70318 | ALLMETAL SCREW PRODUCTS CORP.DBA ALL METAL SCREW PRODUCTS |
| 8019441-001 | 58259 | BALLISTIC MISSILE OFFICE /AFSC/ |
| 8019441-001 | 95548 | MORRIS J I CO |
Technical Data | NSN 5305-01-251-0905
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| SCREW MATERIAL | STEEL COMP 303 |
| SCREW SURFACE TREATMENT | PASSIVATE |
| HEAD STYLE | UNDERCUT HEXAGON |
| HEAD HEIGHT | 0.080 INCHES MINIMUM AND 0.093 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |