Part Details | MACHINE SCREW
5305-01-127-2918 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: 153C7938G1, 153C7938G1, 5305-01-127-2918, 01-127-2918, 5305011272918, 011272918
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | FEB 27, 1982 | 01-127-2918 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON EXTENDED WASHER
Cross Reference | NSN 5305-01-127-2918
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 153C7938G1 | 89954 | BAE SYSTEMS CONTROLS INC. |
| 153C7938G1 | 07639 | GE AVIATION SYSTEMS LLCDBA GE AVIATION |
Technical Data | NSN 5305-01-127-2918
| 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 | 0.300 INCHES NOMINAL |
| FASTENER LENGTH | 1.250 INCHES NOMINAL |
| SCREW MATERIAL | STEEL |
| SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE |
| HEAD STYLE | HEXAGON EXTENDED WASHER |
| HEAD HEIGHT | 0.250 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.060 INCHES NOMINAL |
| BEARING SURFACE OF HEAD SURFACE FINISH | 63.0 MICROINCHES |
| SPECIAL FEATURES | INSULATED HEAD |