NSN 5305-01-521-7431 TX1026C423A, TX1026C4-23A , 3M1169C423A
Product Details | CLOSE TOLERANCE SCREW
5305-01-521-7431 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: TX1026C423A, TX1026C4-23A , 3M1169C423A, 3M1169C4-23A, 5305-01-521-7431, 01-521-7431, 5305015217431, 015217431
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 JUL 2004 | 01-521-7431 | 29294 ( SCREW, CLOSE TOLERANCE ) |
Drawings & Photos | NSN 5305-01-521-7431
Demand History | NSN 5305-01-521-7431
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 3M1169C4-23A | 2020-12-357 | 324 | DIBBS |
| TX1026C4-23A | 2020-12-357 | 324 | DIBBS |
| 5305-01-521-7431 | 2020-05-122 | 1 | DIBBS-RFPs |
| 3M1169C4-23A | 2020-01-13 | 281 | DIBBS |
| TX1026C4-23A | 2020-01-13 | 281 | DIBBS |
| 3M1169C4-23A | 2020-01-05 | 281 | DIBBS |
| TX1026C4-23A | 2020-01-05 | 281 | DIBBS |
| 3M1169C4-23A | 2019-09-265 | 192 | DIBBS |
| TX1026C4-23A | 2019-09-265 | 192 | DIBBS |
| 3M1169C4-23A | 2019-03-66 | 129 | DIBBS |
| TX1026C4-23A | 2019-03-66 | 129 | DIBBS |
| 3M1169C4-23A | 2019-02-58 | 129 | DIBBS |
| TX1026C4-23A | 2019-02-58 | 129 | DIBBS |
| 5305-01-521-7431 | 2018-10-289 | 57 | DIBBS |
| 5305-01-521-7431 | 2018-10-281 | 57 | DIBBS |
| 5305-01-521-7431 | 2018-08-218 | 63 | DIBBS |
| 5305-01-521-7431 | 2018-07-205 | 63 | DIBBS |
Cross Reference | NSN 5305-01-521-7431
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 3M1169C4-23A | 76301 | BOEING COMPANY, THE DBA BOEING |
| TX1026C4-23A | 06725 | SPS TECHNOLOGIES LLC DBA AIR INDUSTRIES |
| TX1026C4-23A | 06950 | ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS |
| TX1026C4-23A | 0PTK6 | SPS TECHNOLOGIES INC |
| TX1026C4-23A | 27624 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| TX1026C4-23A | 56878 | SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION |
| TX1026C4-23A | 73197 | HI-SHEAR CORPORATION |
| TX1026C4-23A | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP |
| TX1026C4-23A | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH |
| TX1026C4-23A | L4528 | LISI AEROSPACE CANADA CORP |
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Related Products | NSN 5305-01-521-7431
Technical Data | NSN 5305-01-521-7431
| 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 | 0.425 INCHES NOMINAL |
| FASTENER LENGTH | 1.722 INCHES MINIMUM AND 1.752 INCHES MAXIMUM |
| MATERIAL | NICKEL ALLOY 718 OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| HEAD STYLE | C50 FLAT COUNTERSUNK |
| HEAD DIAMETER | 0.4970 INCHES MINIMUM AND 0.5066 INCHES MAXIMUM |
| HEAD HEIGHT | 0.110 INCHES NOMINAL |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | D24 TORX |
| SPLINE MAJOR DIAMETER | 0.219 INCHES MINIMUM AND 0.222 INCHES MAXIMUM |
| GRIP LENGTH | 1.437 INCHES NOMINAL |
| GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| CRITICALITY CODE JUSTIFICATION | AGAV |
| III END ITEM IDENTIFICATION | DOOR,AIRCRAFT - F/A-18E,F |
Restrictions/Controls & Freight Information | NSN 5305-01-521-7431
| 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: | Y | The item does not have a nuclear hardened feature but does have other critical feature(s) 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 | 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 | KE | Naval ICP Philadelphia, PA 19111 |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | ||
| 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 5305-01-521-7431
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Special Material ID | QF | FIGHTERAIRCRAFT(F18 E/F) |
| Special Material Content | 9 | Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions |
| 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 |