Part Details | MACHINE SCREW
5305-00-579-4840 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: F1348BC, F13-4-8BC, 100B5BC48, 100B5BC4-8, BHMS440X12, BHMS4-40X1-2, H4384BC8, H438-4BC8, S211317, S2113-17, 2300059056, 23-00059-056, 5305-00-579-4840, 00-579-4840, 5305005794840, 005794840
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-579-4840 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-579-4840
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| F13-4-8BC | 72314 | BAE SYSTEMS INFORMATION ANDELECTRONIC SYSTEMS INTEGRATION I |
| 100B5BC4-8 | 99872 | ENTRON INDUSTRIES LIMITEDPARTNERSHIP |
| BHMS4-40X1-2 | 87308 | FARLEY METALS INCSOUTHERN SCREW DIV |
| H438-4BC8 | 79318 | MEGGITT (NORTH HOLLYWOOD), INC. |
| S2113-17 | 92755 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDBA LAND & SELF PROTECTION SYSTEM |
| 23-00059-056 | 00724 | RAYTHEON COMPANYDBA RAYTHEON |
Technical Data | NSN 5305-00-579-4840
| 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 | 0.450 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| FASTENER LENGTH | 0.500 INCHES NOMINAL |
| SCREW MATERIAL | COPPER ALLOY |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AQQ-B-613$AQQ-B-626$AQQ-W-321 1ST 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 | 55000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 0 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.223 INCHES MINIMUM AND 0.225 INCHES MAXIMUM |
| HEAD HEIGHT | 0.056 INCHES MINIMUM AND 0.068 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 8S STYLE |