NSN 5305-00-156-2721
Part Details | MACHINE SCREW
5305-00-156-2721 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: AN501A1016, AN501A10-16, FFS92, FF-S-92, 7286353, 728635-3, 5305-00-156-2721, 00-156-2721, 5305001562721, 001562721
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-156-2721 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
CROSS RECESS TYPE 1
ROUND
Cross Reference | NSN 5305-00-156-2721
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AN501A10-16 | 81352 | AIR FORCE-NAVY AERONAUTICALSPECIFICATIONS |
| FF-S-92 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| 728635-3 | 98897 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS |
Technical Data | NSN 5305-00-156-2721
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.907 INCHES MINIMUM AND 0.938 INCHES MAXIMUM |
| FASTENER LENGTH | 0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| SCREW MATERIAL | STEEL COMP 1010 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | CADMIUM |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE |
| HEAD STYLE | 3 DISHED HEXAGON |
| HEAD DIAMETER | 0.292 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| HEAD HEIGHT | 0.123 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |
| HEAD HOLE CONFIGURATION STYLE | ROUND |
| HOLE QUANTITY | 1 |
| HOLE DIAMETER | 0.046 INCHES NOMINAL |
| SPECIAL FEATURES | WITH ONE DRILLED HOLE IN HEAD |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 5S STYLE |
