NSN 5305-01-231-8937 BACB30LU043, BACB30LU04-3, 01-231-8937
Product Details | CLOSE TOLERANCE SCREW
5305-01-231-8937 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: BACB30LU043, BACB30LU04-3, 5305-01-231-8937, 01-231-8937, 5305012318937, 012318937
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 06 MAY 1986 | 01-231-8937 | 29294 ( SCREW, CLOSE TOLERANCE ) |
Cross Reference | NSN 5305-01-231-8937
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| BACB30LU04-3 | 06710 | VALLEY-TODECO, INC. |
| BACB30LU04-3 | 06725 | SPS TECHNOLOGIES LLC DBA AIR INDUSTRIES |
| BACB30LU04-3 | 06950 | ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS |
| BACB30LU04-3 | 17446 | HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS |
| BACB30LU04-3 | 17943 | FEDERAL MANUFACTURING CORPORATION |
| BACB30LU04-3 | 27624 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| BACB30LU04-3 | 56878 | SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION |
| BACB30LU04-3 | 57928 | SONIC INDUSTRIES INC. |
| BACB30LU04-3 | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP |
| BACB30LU04-3 | 81205 | THE BOEING COMPANY DBA BOEING |
| BACB30LU04-3 | 92215 | ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS |
| BACB30LU04-3 | 97928 | HUCK INTL INC |
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Technical Data | NSN 5305-01-231-8937
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.112 INCHES |
| THREAD QUANTITY PER INCH | 40 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.248 INCHES MINIMUM AND |
| FASTENER LENGTH | 0.424 INCHES MINIMUM AND |
| MATERIAL | STEEL COMP 4340 OR |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | FLAT COUNTERSUNK |
| HEAD DIAMETER | 0.190 INCHES MINIMUM AND |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| GRIP LENGTH | 0.176 INCHES MINIMUM AND |
| GRIP DIAMETER | 0.1105 INCHES MINIMUM AND |
| SPECIAL FEATURES | FAA CERTIFIED |
| III END ITEM IDENTIFICATION | KC-46 TANKER |
Restrictions/Controls & Freight Information | NSN 5305-01-231-8937
| 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: | 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 |
|---|---|---|
| No Freight Information | ||
Management | NSN 5305-01-231-8937
Air Force| Category | Code | Description |
|---|---|---|
| Price Validation | P | The current standard price is the initial negotiated provisioned price.
|
| Budget Code | S | 1557X3010:Aircraft Replenishment Spares |
| Source of Supply | F46 | |
| Agency | DF | Department of the Air Force |
| Service Organization | F | U.S. Air Force |
| Reparability | N | Stock Fund (except Munitions) |
| Acquisition Advice Codes | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |