Part Details | MACHINE SCREW
5305-01-398-4077 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: GB511GK49, GB511GK4-9, 12453749, 124537-4-9, PBF151049, PBF1510-4-9, VCL001149, VCL0011-4-9, 5305-01-398-4077, 01-398-4077, 5305013984077, 013984077
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | NOV 02, 1994 | 01-398-4077 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
TORQUE SET
Cross Reference | NSN 5305-01-398-4077
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| GB511GK4-9 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS |
| 124537-4-9 | 80539 | SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP |
| PBF1510-4-9 | 27624 | SPS TECHNOLOGIES, LLCDBA PB FASTENERS |
| VCL0011-4-9 | 06710 | VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND |
Technical Data | NSN 5305-01-398-4077
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.578 INCHES MINIMUM AND 0.593 INCHES MAXIMUM |
| FASTENER LENGTH | 1.147 INCHES NOMINAL |
| SCREW MATERIAL | NICKEL ALLOY 718 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | PASSIVATE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| HEAD STYLE | 3 DISHED HEXAGON |
| HEAD DIAMETER | 0.385 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| HEAD HEIGHT | 0.172 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | TORQUE SET |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |