Part Details | MACHINE SCREW
5305-00-890-7991 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: R712301, R7123-01, R712301, R7123-01, 5305-00-890-7991, 00-890-7991, 5305008907991, 008907991
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAY 03, 1968 | 00-890-7991 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-890-7991
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| R7123-01 | 98571 | TELEDYNE CONTROLS, LLC |
| R7123-01 | 26687 | TELEDYNE TECHNOLOGIES INCORPORATEDDBA TELEDYNE AES |
Technical Data | NSN 5305-00-890-7991
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.086 INCHES |
| THREAD QUANTITY PER INCH | 56 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.100 INCHES MINIMUM AND 0.160 INCHES MAXIMUM |
| FASTENER LENGTH | 0.255 INCHES NOMINAL |
| SCREW MATERIAL | COPPER ALLOY |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | GOLD |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-G-45204,TYPE 1,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE |
| HEAD STYLE | 1 HEXAGON |
| HEAD HEIGHT | 0.080 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.187 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |