NSN 5305-01-444-2398 HT402040A, HT4020-4-0A, HT402049A
Product Details | CLOSE TOLERANCE SCREW
5305-01-444-2398 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: HT402040A, HT4020-4-0A, HT402049A, HT4020-4-9A, ST3M652C49A, ST3M652C4-9A , WC402049A, WC4020-4-9A , 11925C49A, 11925C4-9A , 5305-01-444-2398, 01-444-2398, 5305014442398, 014442398
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 MAY 1997 | 01-444-2398 | 29294 ( SCREW, CLOSE TOLERANCE ) |
Drawings & Photos | NSN 5305-01-444-2398
Demand History | NSN 5305-01-444-2398
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| ST3M652C4-9A | 2021-07-206 | 1245 | DIBBS |
| ST3M652C4-9A | 2021-07-202 | 256 | DIBBS |
| ST3M652C4-9A | 2021-07-187 | 256 | DIBBS |
| 5305-01-444-2398 | 2020-05-122 | 1 | DIBBS-RFPs |
| 11925C4-9A | 2019-09-254 | 11 | DIBBS |
| HT4020-4-0A | 2019-09-254 | 11 | DIBBS |
| HT4020-4-9A | 2019-09-254 | 11 | DIBBS |
| ST3M652C4-9A | 2019-09-254 | 11 | DIBBS |
| WC4020-4-9A | 2019-09-254 | 11 | DIBBS |
| 11925C4-9A | 2019-02-34 | 1028 | DIBBS |
| HT4020-4-0A | 2019-02-34 | 1028 | DIBBS |
| HT4020-4-9A | 2019-02-34 | 1028 | DIBBS |
| ST3M652C4-9A | 2019-02-34 | 1028 | DIBBS |
| WC4020-4-9A | 2019-02-34 | 1028 | DIBBS |
| 5305-01-444-2398 | 2019-01-01 | 5 | DIBBS |
| 5305-01-444-2398 | 2018-10-281 | 2350 | DIBBS |
| 5305-01-444-2398 | 2018-10-276 | 250 | DIBBS |
| 5305-01-444-2398 | 2018-09-267 | 265 | DIBBS |
| 5305-01-444-2398 | 2018-09-261 | 530 | DIBBS |
| 5305-01-444-2398 | 2018-08-242 | 375 | DIBBS |
| 5305-01-444-2398 | 2018-08-239 | 220 | DIBBS |
| 5305-01-444-2398 | 2018-08-224 | 174 | DIBBS |
| 5305-01-444-2398 | 2016-06-154 | 465 | DIBBS |
| 5305-01-444-2398 | 2012-07-198 | 314 | DIBBS |
| 5305-01-444-2398 | 2011-07-187 | 125 | DIBBS |
| HT402040A | 2007-09-249 | 10 | US |
Cross Reference | NSN 5305-01-444-2398
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 11925C4-9A | 59563 | REID PRODUCTS INC. DBA REID PRODUCTS |
| HT4020-4-0A | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP |
| HT4020-4-9A | 06725 | SPS TECHNOLOGIES LLC DBA AIR INDUSTRIES |
| HT4020-4-9A | 06950 | ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS |
| HT4020-4-9A | 0PTK6 | SPS TECHNOLOGIES INC |
| HT4020-4-9A | 17446 | HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS |
| HT4020-4-9A | 27624 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| HT4020-4-9A | 56878 | SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION |
| HT4020-4-9A | 73197 | HI-SHEAR CORPORATION |
| HT4020-4-9A | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP |
| HT4020-4-9A | 92215 | ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS |
| HT4020-4-9A | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION |
| HT4020-4-9A | L4528 | LISI AEROSPACE CANADA CORP |
| ST3M652C4-9A | 06710 | VALLEY-TODECO, INC. |
| ST3M652C4-9A | 0ZC92 | HEARTLAND PRECISION FASTENERS, INC. |
| ST3M652C4-9A | 1VSL7 | HOUSTON PRECISION FASTENER L.L.C. |
| ST3M652C4-9A | 58998 | EMHART TEKNOLOGIES LLC DBA FASTENER INNOVATION TECHNOLOGY |
| ST3M652C4-9A | 76301 | BOEING COMPANY, THE DBA BOEING |
| ST3M652C4-9A | 92215 | ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS |
| WC4020-4-9A | 60516 | WEST COAST AEROSPACE INC |
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Related Products | NSN 5305-01-444-2398
Technical Data | NSN 5305-01-444-2398
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| FASTENER LENGTH | 1.015 INCHES MINIMUM AND 1.062 INCHES MAXIMUM |
| MATERIAL | STEEL COMP XM-13 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | C51 FLAT COUNTERSUNK UNDERCUT |
| HEAD DIAMETER | 0.502 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| HEAD HEIGHT | 0.071 INCHES MINIMUM AND 0.073 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| INTERNAL DRIVE STYLE | D9 HIGH-TORQUE |
| GRIP LENGTH | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM |
| GRIP DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| SPECIAL FEATURES | FURNISHED WITH O-RING |
Restrictions/Controls & Freight Information | NSN 5305-01-444-2398
| 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. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| 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 | 573 | unknown |
| Originating Activity Code | KZ | Defense Supply Center Philadelphia Philadelphia, PA 19101 |
| 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 5305-01-444-2398
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 | Z | INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
A EA : Each |