NSN 5305-00-954-9959 490D931H07, 00-954-9959, 009549959
Product Details | EXTERNALLY RELIEVED BODY SCREW
5305-00-954-9959 An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.
Part Alternates: 490D931H07, 5305-00-954-9959, 00-954-9959, 5305009549959, 009549959
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 00-954-9959 | 01852 ( SCREW, EXTERNALLY RELIEVED BODY ) |
Drawings & Photos | NSN 5305-00-954-9959
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Technical Data | NSN 5305-00-954-9959
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.620 INCHES MINIMUM |
| FASTENER LENGTH | 1.748 INCHES NOMINAL |
| MATERIAL | STEEL COMP 303 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| HEAD STYLE | C66 KNURLED NO. 1 |
| HEAD DIAMETER | 0.312 INCHES NOMINAL |
| HEAD HEIGHT | 0.500 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | D1 CROSS RECESS TYPE 1 |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| FIRST DIAMETER FROM HEAD | 0.180 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.128 INCHES NOMINAL |
Restrictions/Controls & Freight Information | NSN 5305-00-954-9959
| 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 |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||