Part Details | MACHINE SCREW
5305-00-989-9956 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: A1137D, A113-7D, A1137D, A113-7D, 5305-00-989-9956, 00-989-9956, 5305009899956, 009899956
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1962 | 00-989-9956 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-989-9956
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| A113-7D | K7766 | BRITISH STANDARDS INSTITUTION |
| A113-7D | U1604 | MARTIN BAKER AIRCRAFT CO LTDDBA MARTIN-BAKER |
Technical Data | NSN 5305-00-989-9956
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.500 INCHES MINIMUM AND 0.540 INCHES MAXIMUM |
| FASTENER LENGTH | 1.240 INCHES MINIMUM |
| SCREW MATERIAL | STEEL |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | ABS S94$ABS S95$ABS S114$ABS S116$ABS S117 ALL MATERIAL RESPONSES |
| SCREW SURFACE TREATMENT | CADMIUM |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DTD 904 FSCM K4787 MFR REF SINGLE TREATMENT RESPONSE |
| HEAD STYLE | 1 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.425 INCHES MINIMUM AND 0.441 INCHES MAXIMUM |
| HEAD HEIGHT | 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |