NSN 5305-00-172-8291
Part Details | MACHINE SCREW
5305-00-172-8291 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: FFS92, 55020729, 55-0207-29, 20746123406, 2074612-3406, 5305-00-172-8291, 00-172-8291, 5305001728291, 001728291
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | DEC 01, 1971 | 00-172-8291 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-172-8291
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| FFS92 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| 55-0207-29 | 72914 | GRIMES AEROSPACE COMPANYDBA HONEYWELL |
| 2074612-3406 | 06845 | RAYTHEON COMPANYDBA RAYTHEON |
Technical Data | NSN 5305-00-172-8291
| 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 | 0.437 INCHES MAXIMUM |
| FASTENER LENGTH | 0.437 INCHES MAXIMUM |
| SCREW MATERIAL | STEEL COMP 304 |
| SCREW SURFACE TREATMENT | PASSIVATE |
| MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 4 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.270 INCHES NOMINAL |
| HEAD HEIGHT | 0.082 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |
| TEST DATA DOCUMENT | 81348-FFS92 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 9S STYLE |
| DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY MATERIAL |
