NSN 5305-01-268-4911 HT405344A, HT4053-4-4A , ST3M7404L4
Product Details | CLOSE TOLERANCE SCREW
5305-01-268-4911 A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
Part Alternates: HT405344A, HT4053-4-4A , ST3M7404L4, ST3M740-4L4, 10113616 , 5305-01-268-4911, 01-268-4911, 5305012684911, 012684911
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 02 DEC 1987 | 01-268-4911 | 29294 ( SCREW, CLOSE TOLERANCE ) |
Drawings & Photos | NSN 5305-01-268-4911
Demand History | NSN 5305-01-268-4911
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| ST3M7404L4 | 2025-04-119 | 93 | us |
| ST3M7404L4 | 2024-11-327 | 66 | us |
| HT4053-4-4A | 2021-01-19 | 1720 | DIBBS |
| ST3M740-4L4 | 2021-01-19 | 1720 | DIBBS |
| 5305-01-268-4911 | 2020-06-157 | 1 | DIBBS-RFPs |
| 5305-01-268-4911 | 2020-05-122 | 1 | DIBBS-RFPs |
| HT4053-4-4A | 2019-01-27 | 5059 | DIBBS |
| 5305-01-268-4911 | 2017-02-43 | 6734 | DIBBS |
| 5305-01-268-4911 | 2016-12-336 | 6107 | DIBBS |
| HT405344A | 2016-02-60 | 8 | ES |
| 5305-01-268-4911 | 2013-11-325 | 1 | DIBBS-RFPs |
| 5305-01-268-4911 | 2013-10-291 | 1 | DIBBS-RFPs |
| 5305-01-268-4911 | 2013-09-246 | 1 | DIBBS-RFPs |
Cross Reference | NSN 5305-01-268-4911
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| HT4053-4-4A | 06950 | ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS |
| HT4053-4-4A | 0PTK6 | SPS TECHNOLOGIES INC |
| HT4053-4-4A | 17446 | HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS |
| HT4053-4-4A | 58998 | EMHART TEKNOLOGIES LLC DBA FASTENER INNOVATION TECHNOLOGY |
| HT4053-4-4A | 60516 | WEST COAST AEROSPACE INC |
| HT4053-4-4A | 73197 | HI-SHEAR CORPORATION |
| HT4053-4-4A | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP |
| HT4053-4-4A | 92215 | ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS |
| HT4053-4-4A | 97928 | HUCK INTL INC |
| HT4053-4-4A | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION |
| HT4053-4-4A | L4528 | LISI AEROSPACE CANADA CORP |
| ST3M740-4L4 | 76301 | BOEING COMPANY, THE DBA BOEING |
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Related Products | NSN 5305-01-268-4911
Technical Data | NSN 5305-01-268-4911
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 3A |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.469 INCHES NOMINAL |
| FASTENER LENGTH | 0.719 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| SURFACE TREATMENT | ALUMINUM OVERALL |
| HEAD STYLE | C46 FILLISTER COUNTERSUNK |
| HEAD DIAMETER | 0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| HEAD HEIGHT | 0.015 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| INTERNAL DRIVE STYLE | D9 HIGH-TORQUE |
| GRIP LENGTH | 0.250 INCHES NOMINAL |
| GRIP DIAMETER | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
Restrictions/Controls & Freight Information | NSN 5305-01-268-4911
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| 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. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| 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 | ||
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 713 | unknown |
| Originating Activity Code | ZC | Canada ZD ZE |
| 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 |
Management | NSN 5305-01-268-4911
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | D | DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
Q EA : Each |