Part Details | MACHINE SCREW
5305-00-143-1634 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: 28440252L1, 2844025-2L1, 28440252, 2844025-2, 5305-00-143-1634, 00-143-1634, 5305001431634, 001431634
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUL 19, 1968 | 00-143-1634 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
Cross Reference | NSN 5305-00-143-1634
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2844025-2L1 | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| 2844025-2 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 5305-00-143-1634
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| THREAD QUANTITY PER INCH | 13 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.800 INCHES NOMINAL |
| FASTENER LENGTH | 2.000 INCHES NOMINAL |
| SCREW MATERIAL | NICKEL ALLOY |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286,CLASS A,FORM 2 FED SPEC SINGLE MATERIAL RESPONSE |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| CRITICALITY CODE JUSTIFICATION | ZZZY |