Part Details | MACHINE SCREW
5305-01-020-5921 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: 120354004, 120354-004, FFS92, FF-S-92, MS35275204, MS35275-204, MS35275204, MS35275-204, 5305-01-020-5921, 01-020-5921, 5305010205921, 010205921
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAY 01, 1976 | 01-020-5921 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
CROSS RECESS TYPE 1
HEXAGON FLATS
Cross Reference | NSN 5305-01-020-5921
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 120354-004 | 81413 | BAE SYSTEMS INFORMATION ANDELECTRONIC SYSTEMS INTEGRATION I |
| FF-S-92 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| MS35275-204 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| MS35275-204 | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
Technical Data | NSN 5305-01-020-5921
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.086 INCHES |
| THREAD QUANTITY PER INCH | 56 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.245 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| FASTENER LENGTH | 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| SCREW MATERIAL | STEEL CORROSION RESISTING |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5616 FED SPEC SINGLE MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | OXIDE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CL 4 MIL SPEC SINGLE TREATMENT RESPONSE |
| MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 3 DISHED HEXAGON |
| HEAD DIAMETER | 0.124 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| HEAD HEIGHT | 0.055 INCHES MINIMUM AND 0.062 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |
| HEAD HOLE CONFIGURATION STYLE | HEXAGON FLATS |
| HOLE QUANTITY | 1 |
| HOLE DIAMETER | 0.031 INCHES NOMINAL |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 5S STYLE |
| DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY SURFACE TREATMENT |