Part Details | MACHINE SCREW
5305-00-939-0483 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: 537985, 537985, 537985, 537985, 537985, 5305-00-939-0483, 00-939-0483, 5305009390483, 009390483
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | NOV 03, 1965 | 00-939-0483 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-939-0483
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 537985 | 92215 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
| 537985 | 56878 | SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION |
| 537985 | 53375 | SSANFORD TOOL & DESIGN INC |
| 537985 | 93907 | TEXTRON FASTENING SYSTEMSDBA DECORAH OPERATIONS TFS |
| 537985 | 77445 | UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS |
Technical Data | NSN 5305-00-939-0483
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNS |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| NONSTANDARD THREAD PITCH DIAMETER | +0.2213 TO +0.2238 INCHES |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.585 INCHES MINIMUM AND 0.665 INCHES MAXIMUM |
| FASTENER LENGTH | 0.825 INCHES MINIMUM AND 0.845 INCHES MAXIMUM |
| SCREW MATERIAL | NICKEL |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | PWA90,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE |
| HEAD STYLE | 9 DISHED HEXAGON |
| HEAD DIAMETER | 0.510 INCHES MINIMUM AND 0.530 INCHES MAXIMUM |
| HEAD HEIGHT | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |
| SPECIAL FEATURES | 2 FLATS ON HEAD 0.360MIN. AND 0.380 MAX. WIDTH ACROSS FLATS |