Part Details | MACHINE SCREW
5305-00-558-3677 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: D4080841, D4080-8-41, 8BW824, D95762754, D9576-27-54, MS3522581, MS35225-81, D4080841, D4080-8-41, 5305-00-558-3677, 00-558-3677, 5305005583677, 005583677
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-558-3677 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-558-3677
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| D4080-8-41 | 81336 | CHIEF OF ENGINEERSDEPT OF ARMY |
| 8BW824 | 28835 | HOBART BROS CO |
| D9576-27-54 | 91340 | MET-PRO CORPORATION |
| MS35225-81 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| D4080-8-41 | 89074 | STANSTEEL CORPA SUB OF ALLIS-CHALMERS CORP |
Technical Data | NSN 5305-00-558-3677
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.750 INCHES NOMINAL |
| FASTENER LENGTH | 0.750 INCHES NOMINAL |
| SCREW MATERIAL | STEEL |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AQQ-S-633-CANC$JDAQQ-W-409 1ST MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | CADMIUM AND $DZNA000 CHROMATE AND CHROMATE |
| HEAD STYLE | 4 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM |
| HEAD HEIGHT | 0.130 INCHES MINIMUM AND 0.144 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |
| NONDEFINITIVE SPEC/STD DATA | I TYPE AND 9S STYLE |