NSN 5305-00-639-2557 X482B, Z, 00-639-2557
Product Details | TAPPING SCREW
5305-00-639-2557 A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes SCREW, ASSEMBLED WASHER.
Part Alternates: X482B, Z, 5305-00-639-2557, 00-639-2557, 5305006392557, 006392557
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 JAN 1963 | 00-639-2557 | 41756 ( SCREW, TAPPING ) |
Drawings & Photos | NSN 5305-00-639-2557
Demand History | NSN 5305-00-639-2557
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| Z | 2025-06-177 | 1 | US |
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Technical Data | NSN 5305-00-639-2557
| Characteristic | Specifications |
|---|---|
| NONMACHINE THREAD STYLE | A12 DOG TYPE |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.060 INCHES |
| FASTENER LENGTH | 0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18732 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| HEAD STYLE | C37 ROUND |
| HEAD DIAMETER | 0.147 INCHES MINIMUM AND 0.162 INCHES MAXIMUM |
| HEAD HEIGHT | 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | D14 SLOT |
Restrictions/Controls & Freight Information | NSN 5305-00-639-2557
| 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 |
|---|---|---|
| NMF Description | 093486 | BOLTS,NUTS OR SCREWS, NOI (SUB 3) |
| Less than car load rating | U | 50 |
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 713 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | B | Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |