NSN 5305-00-156-2678
Part Details | MACHINE SCREW
5305-00-156-2678 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: AN500AC86, AN500AC8-6, AS80677, FFS92ANDTYPE1ANDSTYLE4S, 117455, 0457274, 0457-274, 0457274, 0457-274, 189906, 5305-00-156-2678, 00-156-2678, 5305001562678, 001562678
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-156-2678 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-156-2678
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AN500AC8-6 | 88044 | AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE |
| AS80677 | 90299 | CHICAGO PNEUMATIC TOOL CO |
| FFS92ANDTYPE1ANDSTYLE4S | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| 117455 | 06848 | HONEYWELL INTERNATIONAL INC.DBA HONEYWELL |
| 0457-274 | 56232 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| 0457-274 | 02769 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| 189906 | 66503 | WOODWARD, INC.DBA WOODWARD |
Technical Data | NSN 5305-00-156-2678
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| FASTENER LENGTH | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| SCREW MATERIAL | STEEL |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AQQ-S-763A,SERIES 400$JDAMIL-S-7720 1ST MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | PASSIVATE |
| MINIMUM TENSILE STRENGTH | 35000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 3 DISHED HEXAGON |
| HEAD DIAMETER | 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| HEAD HEIGHT | 0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 4S STYLE |
