NSN 5305-01-268-5954 HT4020521X, HT4020-5-21X, 01-268-5954
Product Details | SHOULDER SCREW
5305-01-268-5954 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: HT4020521X, HT4020-5-21X, 5305-01-268-5954, 01-268-5954, 5305012685954, 012685954
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 04 DEC 1987 | 01-268-5954 | 22846 ( SCREW, SHOULDER ) |
Drawings & Photos | NSN 5305-01-268-5954
Cross Reference | NSN 5305-01-268-5954
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Technical Data | NSN 5305-01-268-5954
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.313 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.531 INCHES NOMINAL |
| FASTENER LENGTH | 1.828 INCHES MINIMUM AND 1.875 INCHES MAXIMUM |
| MATERIAL | STEEL COMP XM-13 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| HEAD STYLE | C51 FLAT COUNTERSUNK UNDERCUT |
| HEAD DIAMETER | 0.575 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| HEAD HEIGHT | 0.082 INCHES MINIMUM AND 0.084 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | D9 HIGH-TORQUE |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SHOULDER DIAMETER | 0.327 INCHES MINIMUM AND 0.328 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 1.229 INCHES MINIMUM AND 1.239 INCHES MAXIMUM FIRST SHOULDER |
Restrictions/Controls & Freight Information | NSN 5305-01-268-5954
| 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: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||