Part Details | MACHINE SCREW
5305-00-844-6950 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: 53129, 53-129, 53129, 53-129, 53129, 53-129, 5305-00-844-6950, 00-844-6950, 5305008446950, 008446950
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1962 | 00-844-6950 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-844-6950
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 53-129 | 28968 | CIRCOR INSTRUMENTATION TECHNOLOGIES,INC. |
| 53-129 | 16004 | DAVEY COMPRESSOR CODIV OF KECO INDUSTRIES INC |
| 53-129 | 13669 | TESCOM CORPORATIONDBA EMERSON PROCESS MANAGEMENT |
Technical Data | NSN 5305-00-844-6950
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.438 INCHES MAXIMUM |
| FASTENER LENGTH | 0.438 INCHES NOMINAL |
| SCREW MATERIAL | 2$3$DST0079$DST0316 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC ALL MATERIAL RESPONSES |
| SCREW SURFACE TREATMENT | PASSIVATE |
| HEAD STYLE | 8 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.472 INCHES NOMINAL |
| HEAD HEIGHT | 0.175 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |