Part Details | MACHINE SCREW
5305-00-239-7858 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: 2543, AA5562443, AA55624-43, FFS92, 9920C, 2543, 23600282, 2360-0282, 010632B025, MS1821226, MS18212-26, 41865326, 418653-26, 5305-00-239-7858, 00-239-7858, 5305002397858, 002397858
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | NOV 05, 1969 | 00-239-7858 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-239-7858
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2543 | 83330 | DIALIGHT CORPORATION |
| AA55624-43 | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTIONPROMULGATED BY GENERAL SERVICES |
| FFS92 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| 9920C | 72653 | GC/WALDOM INC |
| 2543 | 91967 | HALSIT HOLDINGS, LLCDBA ABBATRON |
| 2360-0282 | 28480 | HEWLETT-PACKARD COMPANYDBA HP |
| 010632B025 | 13764 | MICRO PLASTICS INC |
| MS18212-26 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| 418653-26 | 96214 | RAYTHEON COMPANYDBA RAYTHEON |
Technical Data | NSN 5305-00-239-7858
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.157 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| FASTENER LENGTH | 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| SCREW MATERIAL | PLASTIC POLYHEXAMETHYLENE AMIDE |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | MIL-M-20693,COMP A,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| HEAD STYLE | 4 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| HEAD HEIGHT | 0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 9S STYLE |