Part Details | MACHINE SCREW
5305-00-550-7181 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: 5507181, 5305-00-550-7181, 00-550-7181, 5305005507181, 005507181
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-550-7181 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON EXTENDED WASHER
Cross Reference | NSN 5305-00-550-7181
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5507181 | 19204 | ARMY, UNITED STATES DEPARTMENT OFTHE |
Technical Data | NSN 5305-00-550-7181
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | ACME |
| NONSTANDARD THREAD PITCH DIAMETER | +3.7500 TO +3.7832 INCHES |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 22.188 INCHES MINIMUM AND 22.312 INCHES MAXIMUM |
| FASTENER LENGTH | 22.375 INCHES NOMINAL |
| SCREW MATERIAL | COPPER ALLOY |
| HEAD STYLE | HEXAGON EXTENDED WASHER |
| HEAD HEIGHT | 2.625 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 3.844 INCHES MINIMUM AND 3.875 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 4.500 INCHES NOMINAL |
| EXTENDED WASHER THICKNESS | 0.375 INCHES NOMINAL |
| SPECIAL FEATURES | INTERNALLY THREADED FROM HEAD ENDSTARTING 3.062 IN. BELOW HEAD 22.188 IN. MIN,22.312 IN. MAX THD LG,2 1/2-2ACME-2G-LH THD SIZE AND HEAD COUNTERBORED 3.250 IN. W,0.250 IN. DEEP |