Part Details | MACHINE SCREW
5305-00-576-6438 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: FFS92TYPE1STYLE1S, BP62960, BP62960, 5305-00-576-6438, 00-576-6438, 5305005766438, 005766438
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-576-6438 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-576-6438
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| FFS92TYPE1STYLE1S | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| BP62960 | 31550 | HARRIS CORPORATIONDBA NIGHT VISION & COMMUNICATIONS |
| BP62960 | 28528 | ITT INDUSTRIES INCITT AEROSPACE COMMUNICATIONS |
Technical Data | NSN 5305-00-576-6438
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.112 INCHES |
| THREAD QUANTITY PER INCH | 40 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.875 INCHES MAXIMUM |
| FASTENER LENGTH | 1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM |
| SCREW MATERIAL | STEEL |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | CADMIUM |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE |
| MINIMUM TENSILE STRENGTH | 60000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 8 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.193 INCHES MINIMUM AND 0.211 INCHES MAXIMUM |
| HEAD HEIGHT | 0.075 INCHES MINIMUM AND 0.086 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 1S STYLE |
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY FASTENER LENGTH |