NSN 5305-00-550-3991 FFT305, 00-550-3991, 005503991
Product Details | THUMBSCREW
5305-00-550-3991 An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use SCREW (as modified) or BOLT (as modified).
Part Alternates: FFT305, 5305-00-550-3991, 00-550-3991, 5305005503991, 005503991
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 JAN 1963 | 00-550-3991 | 06673 ( THUMBSCREW ) |
Drawings & Photos | NSN 5305-00-550-3991
Cross Reference | NSN 5305-00-550-3991
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| FFT305 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES |
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Related Products | NSN 5305-00-550-3991
Technical Data | NSN 5305-00-550-3991
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.000 INCHES MINIMUM |
| FASTENER LENGTH | 1.000 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | C79 THUMB NO. 3 |
| HEAD HEIGHT | 0.750 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.667 INCHES NOMINAL |
| POINT STYLE | F19 FLAT |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFT305 |
Restrictions/Controls & Freight Information | NSN 5305-00-550-3991
| 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 | ||