NSN 5305-00-410-0256 AB2534F8, 00-410-0256, 004100256
Product Details | MACHINE SCREW
5305-00-410-0256 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal 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. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
Part Alternates: AB2534F8, 5305-00-410-0256, 00-410-0256, 5305004100256, 004100256
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 13 NOV 1970 | 00-410-0256 | 06657 ( SCREW, MACHINE ) |
Drawings & Photos | NSN 5305-00-410-0256
Demand History | NSN 5305-00-410-0256
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| AB2534F8 | 2025-03-80 | 2 | United States |
| AB2534F8 | 2025-03-65 | 2 | United States |
| AB2534F8 | 2025-02-54 | 2 | United States |
| AB2534F8 | 2008-02-34 | 60 | Israel |
Cross Reference | NSN 5305-00-410-0256
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AB2534F8 | 02310 | PATTONAIR USA INC UNISEAL DIV |
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Technical Data | NSN 5305-00-410-0256
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.345 INCHES MINIMUM AND 0.420 INCHES MAXIMUM |
| FASTENER LENGTH | 0.485 INCHES MINIMUM AND 0.530 INCHES MAXIMUM |
| SCREW MATERIAL | STEEL COMP 431 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | PASSIVATE |
| HEAD STYLE | A44 WATERTIGHT |
| HEAD DIAMETER | 0.555 INCHES MINIMUM AND 0.580 INCHES MAXIMUM |
| HEAD HEIGHT | 0.145 INCHES MINIMUM AND 0.160 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | B1 CROSS RECESS TYPE 1 |
| SPECIAL FEATURES | FURNISHED WITH ONE RUBBER O-RING AND ONE TEFLON WASHER |
| MANUFACTURERS CODE | 02310 |
| DESIGN CONTROL REFERENCE | AB2534F8 |
Restrictions/Controls & Freight Information | NSN 5305-00-410-0256
| 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 | 096640 | SCREWS, IRON OR STEEL |
| Less than car load rating | ||
| Less than truck load rating | Q | 70.0 |
| Water commodity Code | 713 | unknown |
| Originating Activity Code | SE | San Antonio Air Logistics Center Kelly AFB, TX 78241-5000 |
| 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 |