Part Details | MACHINE SCREW
5305-00-257-5523 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: MBEU36751, MBEU36751, 5305-00-257-5523, 00-257-5523, 5305002575523, 002575523
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAR 26, 1971 | 00-257-5523 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-257-5523
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MBEU36751 | D1131 | AUTOFLUG GMBHDBA AUTOFLUG SICHERHEITSGERATE |
| MBEU36751 | U1604 | MARTIN BAKER AIRCRAFT CO LTDDBA MARTIN-BAKER |
Technical Data | NSN 5305-00-257-5523
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.075 INCHES MINIMUM AND 0.137 INCHES MAXIMUM |
| FASTENER LENGTH | 0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM |
| SCREW MATERIAL | STEEL |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | BS S96 ASSN STD SINGLE MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | CADMIUM |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | D.S.301-1 FSCM 05901 MFR REF SINGLE TREATMENT RESPONSE |
| HEAD STYLE | 9 DISHED HEXAGON |
| HEAD DIAMETER | 0.285 INCHES MINIMUM AND 0.303 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |