Part Details | MACHINE SCREW
5305-01-291-3987 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: 256X516FH100DGSSP, 256X5-16FH100DGSSP, 5305-01-291-3987, 01-291-3987, 5305012913987, 012913987
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | DEC 28, 1988 | 01-291-3987 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
CLUTCH TYPE I
Cross Reference | NSN 5305-01-291-3987
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 256X5-16FH100DGSSP | 70318 | ALLMETAL SCREW PRODUCTS CORP.DBA ALL METAL SCREW PRODUCTS |
Technical Data | NSN 5305-01-291-3987
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UN |
| NOMINAL THREAD DIAMETER | 2.560 INCHES |
| FASTENER LENGTH | 0.313 INCHES NOMINAL |
| SCREW MATERIAL | STEEL CORROSION RESISTING |
| SCREW SURFACE TREATMENT | PASSIVATE |
| HEAD STYLE | 9 DISHED HEXAGON |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| INTERNAL DRIVE STYLE | CLUTCH TYPE I |