NSN 5305-00-652-5678 SMB187224, SM-B-187224, 55881
Product Details | SHOULDER SCREW
5305-00-652-5678 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 IN.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below No. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.
Part Alternates: SMB187224, SM-B-187224, 55881, 5305-00-652-5678, 00-652-5678, 5305006525678, 006525678
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 JAN 1963 | 00-652-5678 | 22846 ( SCREW, SHOULDER ) |
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Technical Data | NSN 5305-00-652-5678
| 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 | 0.313 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| FASTENER LENGTH | 0.800 INCHES NOMINAL |
| MATERIAL | STEEL COMP 1213 OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | C49 FLAT CHAMFER |
| HEAD DIAMETER | 0.182 INCHES MINIMUM AND 0.189 INCHES MAXIMUM |
| HEAD HEIGHT | 0.097 INCHES MINIMUM AND 0.103 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | D14 SLOT |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SHOULDER DIAMETER | 0.185 INCHES MINIMUM AND 0.187 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 0.050 INCHES NOMINAL FIRST SHOULDER |
| SPECIAL FEATURES | UNDERCUT 0.050 IN. LG,0.147 IN. MIN 0.149 IN. MAX LG |
Restrictions/Controls & Freight Information | NSN 5305-00-652-5678
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||



