Part Details | MACHINE SCREW
5305-01-276-3329 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: 8UNC2AX212, 8UNC-2AX21/2, FFS85, FF-S-85, 5305-01-276-3329, 01-276-3329, 5305012763329, 012763329
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | APR 07, 1988 | 01-276-3329 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-01-276-3329
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8UNC-2AX21/2 | 80204 | AMERICAN NATIONAL STANDARDSINSTITUTE, INCORPORATED |
| FF-S-85 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
Technical Data | NSN 5305-01-276-3329
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 1.000 INCHES |
| THREAD QUANTITY PER INCH | 8 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 2.000 INCHES MINIMUM AND 2.250 INCHES MAXIMUM |
| FASTENER LENGTH | 2.500 INCHES NOMINAL |
| SCREW MATERIAL | STEEL |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.591 INCHES MINIMUM AND 0.700 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 1.450 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10P STYLE |